Research Topics
| Charles FisherSummaryAffiliation: University of British Columbia Country: Canada Publications
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Publications
Physician-industry conflict of interest: public opinion regarding industry-sponsored researchCharles G Fisher
Department of Orthopaedics, University of British Columbia, Combined Neurosurgery and Orthopaedic Spine Program, Blusson Spinal Cord Centre, 818 West 10th Avenue, Vancouver, BC, Canada
J Neurosurg Spine 17:1-10. 2012..The purpose of this study was to assess the opinions of a North American population sample on COI regarding industry-funded research and to analyze population subgroups for trends...
Changing face of spine trauma care in North AmericaCharles G Fisher
Combined Neurosurgical and Orthopaedic Spine Program, Department of Orthopaedics, University of British Columbia, Vancouver Hospital and Health Sciences Centre, Vancouver, British Columbia, Canada
Spine (Phila Pa 1976) 31:S2-8; discussion S36. 2006..An evidence-based review and summary of literature from multiple disciplines involved in spine trauma...- Accuracy and safety of pedicle screw fixation in thoracic spine traumaCharles G Fisher
Department of Orthopaedics, Spine Division, University of British Columbia, Canada
J Neurosurg Spine 5:520-6. 2006..The authors evaluated the accuracy of placement and safety of pedicle screws in the treatment of unstable thoracic spine fractures... - Introduction to and techniques of evidence-based medicineCharles G Fisher
Combined Neurosurgical and Orthopaedic Spine Program, Department of Orthopaedic Surgery, University of British Columbia, Vancouver, British Columbia, Canada
Spine (Phila Pa 1976) 32:S66-72. 2007..Literature review... - Clinical and radiographic outcomes of pedicle screw fixation for upper thoracic spine (T1-5) fractures: a retrospective cohort study of 27 casesCharles Fisher
Division of Spine, Department of Orthopaedics, University of British Columbia, Canada
J Neurosurg Spine 10:207-13. 2009..Secondary outcomes included scores on a 1-year postoperative generic health-related quality of life (QOL) questionnaire and postoperative complications... - A novel classification system for spinal instability in neoplastic disease: an evidence-based approach and expert consensus from the Spine Oncology Study GroupCharles G Fisher
Combined Neurosurgery and Orthopaedic Spine Program, Department of Orthopaedics, University of British Columbia, Vancouver, BC, Canada
Spine (Phila Pa 1976) 35:E1221-9. 2010..Systematic review and modified Delphi technique... - Introduction to focus issue in spine oncology: the synthesis of evidence and expert opinion for best practice recommendationCharles G Fisher
Division of Spine, Department of Orthopaedics, University of British Columbia Vancouver, British Columbia, Canada
Spine (Phila Pa 1976) 34:S21-5. 2009..Narrative review... - Surgical management of primary bone tumors of the spine: validation of an approach to enhance cure and reduce local recurrenceCharles G Fisher
Division of Spine, Department of Orthopaedics, University of British Columbia, and the Combined Neurosurgical and Orthopaedic Spine Program at Vancouver Coastal Health, Vancouver, BC, Canada
Spine (Phila Pa 1976) 36:830-6. 2011..Multicenter ambispective cohort analysis... - Motor recovery, functional status, and health-related quality of life in patients with complete spinal cord injuriesCharles G Fisher
Division of Spine, Department of Orthopaedics, University of British Columbia, Vancouver Hospital and Health Sciences Centre, Vancouver, British Columbia, Canada
Spine (Phila Pa 1976) 30:2200-7. 2005..A retrospective cohort with cross- sectional follow-up... - Anterior occiput-to-axis screw fixation: part I: a case report, description of a new technique, and anatomical feasibility analysisMarcel F S Dvorak
Division of Spine, Department of Orthopaedics, University of British Columbia and the Combined Neurosurgical and Orthopaedic Spine Program, Vancouver Hospital and Health Sciences Centre, Canada
Spine (Phila Pa 1976) 28:E54-60. 2003..The pertinent anatomy is described with a radiographic assessment of the feasibility, safety, and general applicability of this technique... - Comparison of operative and nonoperative treatment for thoracolumbar burst fractures in patients without neurological deficit: a systematic reviewKenneth C Thomas
Vancouver Hospital and Health Sciences Centre, University of British Columbia, Vancouver, British Columbia, Canada
J Neurosurg Spine 4:351-8. 2006..There is no scientific evidence linking posttraumatic kyphosis to clinical outcomes. The authors found that there is a strong need for improved clinical research methodology to be applied to this patient population... - Intra-operative cone-beam CT (O-arm) and stereotactic navigation in acute spinal trauma surgeryRowan Schouten
Combined Neurosurgical and Orthopedic Spine Program, Vancouver General Hospital, University of British Columbia, Vancouver, Canada
J Clin Neurosci 19:1137-43. 2012..Other advantages include protecting the surgical team from cumulative fluoroscopic radiation exposure and patients from repeat surgery due to implant malposition... - Primary pyogenic infection of the spine in intravenous drug users: a prospective observational studyZhi Wang
Combined Neurosurgical and Orthopedic Spine Program, Department of Orthopedics, University of British Columbia, Vancouver, British Columbia, Canada
Spine (Phila Pa 1976) 37:685-92. 2012..A prospective comparative analysis of surgically-treated nontuberculous primary pyogenic infection of the spine (PPIS)... - Intraobserver and interobserver reliabilty of measures of kyphosis in thoracolumbar fracturesJohn Street
Combined Neurosurgical and Orthopedic Spine Program, Vancouver Hospitals and Health Sciences Center, 2733 Heather Street, Vancouver, British Columbia V5Z 3J5, Canada
Spine J 9:464-9. 2009..Consensus documents have recently been developed enumerating the radiographic parameters thought to be most valid in the clinical evaluation of patients with thoracolumbar fractures... - Single-stage posterolateral vertebrectomy for the management of metastatic disease of the thoracic and lumbar spine: a prospective study of an evolving surgical techniqueJohn Street
Vancouver Hospital and Health Services Center, Spine Program, Vancouver, BC, Canada
J Spinal Disord Tech 20:509-20. 2007..On the basis of these results, we recommend that the SPLV should be considered in all cases where resection of thoracic or lumbar spinal metastatic disease and reconstruction is contemplated... - Introducing a new health-related quality of life outcome tool for metastatic disease of the spine: content validation using the International Classification of Functioning, Disability, and Health; on behalf of the Spine Oncology Study GroupJohn Street
Department of Orthopaedics, Combined Neurosurgical and Orthopaedic Spine Program, University of British Columbia Vancouver General Hospital, Vancouver, BC, Canada
Spine (Phila Pa 1976) 35:1377-86. 2010..A systematic review of Health Related-Quality of Life Outcomes (HRQOL) in metastatic disease of the spine and content validation of a new Spine Oncology Study Group Outcomes Questionnaire (SOSGOQ)... - Outcome evaluation of the operative management of lumbar disc herniation causing sciaticaCharles Fisher
Combined Neurosurgical and Orthopaedics Spine Program, Vancouver Hospital and Health Sciences Centre, British Columbia, Canada
J Neurosurg 100:317-24. 2004..The authors conducted a study to assess health-related quality of life (HRQOL) and the appropriateness of surgery in patients who have undergone elective lumbar discectomy... - Health related quality of life assessment in metastatic disease of the spine: a systematic reviewJohn Street
University of British Columbia, Vancouver, Canada
Spine (Phila Pa 1976) 34:S128-34. 2009..Systematic literature review... - En bloc marginal excision of a multilevel cervical chordoma. Case reportChristopher S Bailey
Combined Neurosurgical and Orthopaedic Spine Program, Department of Orthopaedics, University of British Columbia, Vancouver Hospital and Health Sciences Centre, Vancouver, British Columbia, Canada
J Neurosurg Spine 4:409-14. 2006..In this report the authors outline the successful en bloc resection of a large C1-3 chordoma and discuss the importance of preoperative staging and planning... - Comparison of outcomes for unstable lower cervical flexion teardrop fractures managed with halo thoracic vest versus anterior corpectomy and platingCharles G Fisher
Department of Orthopaedics, Division of Spine Surgery, Vancouver Hospital and Health Sciences Centre, Vancouver, British Columbia
Spine (Phila Pa 1976) 27:160-6. 2002..A retrospective cohort study with cross-sectional outcome analysis was conducted... - The quality of quality of life publications in the spinal literature: are we getting any better?John Street
Combined Neurosurgical and Orthopaedic Spine Program, Vancouver Hospitals and Health Sciences Center, and Department of Orthopaedic Surgery, University of British Columbia, Vancouver, British Columbia, Canada
J Neurosurg Spine 11:512-7. 2009..This study is a systematic review of the quality of life (QOL) publications to determine if the recent interest in QOL measurements following spinal surgery has been accompanied by an improvement in the quality of the papers published... - Early versus late enteral feeding in patients with acute cervical spinal cord injury: a pilot studyMarcel F Dvorak
Division of Spine, Department of Orthopaedics, University of British Columbia, Vancouver, British Columbia, Canada
Spine (Phila Pa 1976) 29:E175-80. 2004..A prospective randomized clinical pilot study to compare early versus late enteral feeding in patients with acute cervical spinal cord injury... - Intrathecal pressure monitoring and cerebrospinal fluid drainage in acute spinal cord injury: a prospective randomized trialBrian K Kwon
Departments of Orthopaedics, Combined Neurosurgical and Orthopaedic Spine Program, University of British Columbia, Canada
J Neurosurg Spine 10:181-93. 2009.... - Clinical outcomes of 90 isolated unilateral facet fractures, subluxations, and dislocations treated surgically and nonoperativelyMarcel F Dvorak
Division of Spine, Department of Orthopaedics, University of British Columbia and the Combined Neurosurgical and Orthopaedic Spine Program at the Vancouver Hospital and Health Sciences Centre, Vancouver, British Columbia, Canada
Spine (Phila Pa 1976) 32:3007-13. 2007..A retrospective outcomes study... - The surgical approach to subaxial cervical spine injuries: an evidence-based algorithm based on the SLIC classification systemMarcel F Dvorak
Division of Spine, Department of Orthopaedics, University of British Columbia, Vancouver, Canada
Spine (Phila Pa 1976) 32:2620-9. 2007..Systematic review of literature and expert clinical opinions of the members of the Spine Trauma Study Group were combined to develop and refine this algorithm... - Cerebrospinal fluid inflammatory cytokines and biomarkers of injury severity in acute human spinal cord injuryBrian K Kwon
Department of Orthopaedics, University of British Columbia, Vancouver General Hospital, Vancouver, British Columbia, Canada
J Neurotrauma 27:669-82. 2010..A prediction model that could use such biological data to stratify injury severity and predict neurological outcome may be extremely useful for facilitating the clinical validation of novel treatments in acute human SCI... - The Chiropractic Hospital-based Interventions Research Outcomes (CHIRO) study: a randomized controlled trial on the effectiveness of clinical practice guidelines in the medical and chiropractic management of patients with acute mechanical low back painPaul B Bishop
International Collaboration on Repair Discoveries ICORD, University of British Columbia, Vancouver, British Columbia, Canada
Spine J 10:1055-64. 2010..Multicenter clinical trials have demonstrated that most AM-LBP patients do not receive CPG-based treatments. To date, the value of implementing full and exclusively CPG-based treatment remains unclear... - Spinal epidural abscess: a 5-year case-controlled review of neurologic outcomes after rehabilitationDavid W Koo
Department of Medicine, Division of Physical Medicine and Rehabilitation, Spinal Cord Injury Program, G F Strong Rehabiliation Centre, University of British Columbia, Vancouver, BC, Canada
Arch Phys Med Rehabil 90:512-6. 2009..To describe the neurologic outcomes of 29 spinal epidural abscess (SEA) patients after rehabilitation compared with a case-controlled traumatic spinal cord injury (TSCI) cohort... - A prospective randomized controlled trial of anterior compared with posterior stabilization for unilateral facet injuries of the cervical spineBrian K Kwon
Combined Neurosurgical and Orthopaedic Spine Program, Department of Orthopaedics University of British Columbia V anada
J Neurosurg Spine 7:1-12. 2007..The primary objective of this study was to determine whether acute postoperative morbidity differed between anteriorly and posteriorly treated patients with unilateral facet injuries... - Effectiveness of titanium mesh cylindrical cages in anterior column reconstruction after thoracic and lumbar vertebral body resectionMarcel F Dvorak
Division of Spine, Department of Orthopaedics, University of British Columbia, Canada
Spine (Phila Pa 1976) 28:902-8. 2003..A retrospective cohort study with cross-sectional outcome analysis of patients who underwent anterior column reconstruction with a titanium mesh cage after single-level or multilevel thoracic or lumbar vertebrectomy... - Factors predicting motor recovery and functional outcome after traumatic central cord syndrome: a long-term follow-upMarcel F Dvorak
Division of Spine, Department of Orthopaedics and Surgery, University of British Columbia, Vancouver Coastal Health Research Institute, Vancouver General Hospital, Vancouver, British Columbia, Canada
Spine (Phila Pa 1976) 30:2303-11. 2005..A prospectively maintained database-generated retrospective review and cross-sectional outcome analysis was performed at a single academic center... - Confidence in spine training among senior neurosurgical and orthopedic residentsMarcel F Dvorak
Combined Neurosurgical and Orthopaedic Spine Program, Department of Orthopaedics, University of British Columbia, Vancouver, British Columbia, Canada
Spine (Phila Pa 1976) 31:831-7. 2006..A cross-sectional survey of senior neurosurgical and orthopedic residents... - Anterior occiput to axis screw fixation: part II: a biomechanical comparison with posterior fixation techniquesMarcel F S Dvorak
Division of Spine, Department of Orthopaedics, University of British Columbia and the Combined Neurosurgical and Orthopaedic Spine Program, Vancouver Hospital and Health Sciences Centre, Canada
Spine (Phila Pa 1976) 28:239-45. 2003..This biomechanical study used flexibility testing on fresh-frozen human cadaveric specimens (occiput to C3) and compared the range of motion and neutral zone for three occipitocervical fixation techniques... - An evidence-based medicine process to determine outcomes after cervical spine trauma: what surgeons should be telling their patientsPeter Lewkonia
Division of Orthopaedics, Department of Surgery, University of Calgary, Calgary, Canada
Spine (Phila Pa 1976) 37:E1140-7. 2012..Using an objective, hierarchical approach, the best available evidence is presented for health-related quality-of-life outcomes for these injuries... - Relationship of neural axis level of injury to motor recovery and health-related quality of life in patients with a thoracolumbar spinal injuryStephen P Kingwell
Division of Spine, Department of Orthopaedics, University of British Columbia, Blusson Spinal Cord Centre, 818 West 10th Avenue, Vancouver, BC V5Z 1M9, Canada
J Bone Joint Surg Am 92:1591-9. 2010.... - Long-term health-related quality of life outcomes following Jefferson-type burst fractures of the atlasMarcel F Dvorak
Department of Orthopaedics, University of British Columbia, Vancouver, British Columbia
J Neurosurg Spine 2:411-7. 2005..Determining the optimal surrogate measure to represent preinjury HRQOL in trauma patients is difficult... - The surgical management of primary tumorsof the spine: initial results of an ongoing prospective cohort studyCharles G Fisher
Division of Spine, Department of Orthopaedics, University of British Columbia and the Combined Neurosurgical and Orthopaedic Spine Program at the Vancouver Hospital and Health Sciences Centre, Vancouver, British Columbia, Canada
Spine (Phila Pa 1976) 30:1899-908. 2005..Prospective cohort study... - Subaxial cervical spine traumaBrian K Kwon
Combined Neurosurgical and Orthopaedic Spine Program, Department of Orthopaedics, University of British Columbia, Vancouver, BC, Canada
J Am Acad Orthop Surg 14:78-89. 2006..Several complications, including the deterioration of neurologic status, may occur with either surgical or nonsurgical management, but the most frequent mistake made is missing the injury on initial evaluation... - An assessment of the reliability of the Enneking and Weinstein-Boriani-Biagini classifications for staging of primary spinal tumors by the Spine Oncology Study GroupPatrick Chan
Vancouver General Hospital, Vancouver, Canada
Spine (Phila Pa 1976) 34:384-91. 2009..Reliability analysis based on expert panel case series review and grading per the Enneking and Weinstein-Boriani-Biagini classification systems... - Thoraco-lumbar flexion-distraction injury in a competitive gymnast: a case reportRobert G McCormack
Department of Orthopaedics, University of British Columbia and the Royal Columbian Hospital, New Westminster, British Columbia, Canada
Clin J Sport Med 16:369-71. 2006 - Translational constraint influences dynamic spinal canal occlusion of the thoracic spine: an in vitro experimental studyQingan Zhu
Department of Orthopaedics, University of British Columbia, Vancouver, British Columbia, Canada
J Biomech 41:171-9. 2008..The results add to our understanding of the effect of column injury pattern on spinal cord injury. This information has clear implications for the design of injury prevention devices... - Prospective randomized clinical trial comparing patient-controlled intravenous analgesia with patient-controlled epidural analgesia after lumbar spinal fusionCharles G Fisher
Combined Neurosurgical and Orthopaedic Spine Program, Department of Orthopaedics, University of British Columbia, Vancouver Hospital and Health Sciences Centre
Spine (Phila Pa 1976) 28:739-43. 2003..A prospective, randomized, double-blind clinical trial was conducted... - Type II error in the spine surgical literatureChristopher S Bailey
Combined Neurosurgical and Orthopaedic Spine Program, Department of Orthopaedics, University of British Columbia, Vancouver Hospital and Health Sciences Centre, Vancouver, British Columbia, Canada
Spine 29:1146-9. 2004..The mean type II error (beta error) was 82%. CONCLUSION: The spine surgical literature is plagued with a high potential for type II error. A trial's methodology should be scrutinized to prevent misinterpretation of the results... - Impact of surgical intervention on quality of life in patients with spinal metastasesAlexis Falicov
Vancouver Spine Program, Vancouver General Hospital, Vancouver, British Columbia, Canada
Spine 31:2849-56. 2006..1 and 0.7 years. CONCLUSIONS: Surgery for patients with spinal metastases offers decreased pain and improved quality of life with low rates of surgical complications... - The effect of compensation status on waiting time for elective surgical lumbar discectomyJeffrey A Quon
Centre for Health Evaluation and Outcome Sciences, St Paul s Hospital, Vancouver, British Columbia, Canada
Spine (Phila Pa 1976) 34:2052-9. 2009..Prospective cohort study of patients registered for elective surgical lumbar discectomy (ESLD) between November 1999 and December 2003 at a major tertiary care center in Vancouver... - Cement augmentation of vertebral screws enhances the interface strength between interbody device and vertebral bodyJuay Seng Tan
Department of Mechanical Engineering, University of British Columbia, Canada
Spine (Phila Pa 1976) 32:334-41. 2007..An in vitro cadaveric study comparing cage-vertebra interface strengths for 3 different screw-cement configurations... - Progressive junctional kyphosis at the caudal end of lumbar instrumented fusion: etiology, predictors, and treatmentBrian K Kwon
Division of Spine, Department of Orthopaedics, University of British Columbia Vancouver, Canada
Spine 31:1943-51. 2006..The high potential for failure of L5 pedicle screws after the index surgery warrants serious consideration of extending such fusions into the sacrum/ilium... - Strategies to promote neural repair and regeneration after spinal cord injuryBrian K Kwon
Division of Spine, Department of Orthopaedics, International Collaboration on Repair Discoveries, University of British Columbia, Vancouver, British Columbia, Canada
Spine (Phila Pa 1976) 30:S3-13. 2005..Retrospective review of current literature regarding neuroprotection and axonal regeneration therapies for acute spinal cord injury... - Interbody device shape and size are important to strengthen the vertebra-implant interfaceJuay-Seng Tan
Division of Orthopaedic Engineering Research, University of British Columbia and Vancouver Coastal Health Research Institute, Vancouver, British Columbia, Canada
Spine 30:638-44. 2005..CONCLUSIONS: The cloverleaf-shaped indentor displayed an improved strength and stiffness profile when compared to oval or kidney-shaped indentors of similar surface areas... - Anterior cervical plate fixation: a biomechanical study to evaluate the effects of plate design, endplate preparation, and bone mineral densityMarcel F Dvorak
Division of Spine, Department of Orthopaedics, University of British Columbia and the Combined Neurosurgical and Orthopaedic Spine Program at the Vancouver Hospital and Health Sciences Centre, Vancouver, British Columbia, Canada
Spine (Phila Pa 1976) 30:294-301. 2005..A biomechanical study using multidirectional flexibility testing in a human cadaveric cervical spine model of a flexion-distraction injury... - The effect of cement augmentation and extension of posterior instrumentation on stabilization and adjacent level effects in the elderly spineJuay Seng Tan
Department of Mechanical Engineering, University of British Columbia, Vancouver, BC, Canada
Spine (Phila Pa 1976) 33:2728-40. 2008..An in vitro cadaveric study comparing different implant fixation techniques using a repeated measures design... - The impact of patient expectations on outcome following treatment for spinal trauma: Part 1: What are spine surgeons telling their patients?Darin Davidson
Department of Orthopaedics, Division of Spine, University of British Columbia, Vancouver, British Columbia, Canada
Spine (Phila Pa 1976) 35:1807-11. 2010..Surgeon completed questionnaire... - The effects of bone density and disc degeneration on the structural property distributions in the lower lumbar vertebral endplatesJ P Grant
Department of Orthopaedics and Mechanical Engineering, University of British Columbia, Vancouver Hospital and Health Sciences Centre, Canada
J Orthop Res 20:1115-20. 2002.... - Spinal column and spinal cord injuries in mountain bikers: a 13-year reviewEmily R Dodwell
Division of Spine, University of British Columbia, Blusson Spinal Cord Centre, 818 West 10th Avenue, Vancouver, BC, Canada
Am J Sports Med 38:1647-52. 2010..However, no large-scale detailed assessment of mountain biking associated spinal fractures and spinal cord injuries has previously been published... - The effect of interbody cage positioning on lumbosacral vertebral endplate failure in compressionRobert D Labrom
Department of Orthopaedics, University of British Columbia, Vancouver, Canada
Spine 30:E556-61. 2005..It is noteworthy that cage placement in any position resulted in a less stiff construct in compression than with an intact disc... - Pedicle screw motion in the osteoporotic spine after augmentation with laminar hooks, sublaminar wires, or calcium phosphate cement: a comparative analysisJuay-Seng Tan
Department of Mechanical Engineering, University of British Columbia and Vancouver Coastal Health Research Institute, Vancouver, British Columbia, Canada
Spine 29:1723-30. 2004..Differences did exist, however, in the patterns of pedicle screw motion, with the calcium phosphate cement augmentation resulting in less rigid body translation than the other two techniques... - Mesenchymal hamartoma of the spine. A case reportOry Keynan
Combined Neurosurgical and Orthopaedic Spine Program at the Vancouver Hospital and Health Sciences Centre, D-609 Heather Pavilion, 2733 Heather Street, Vancouver, BC V5Z 3J5, Canada
J Bone Joint Surg Am 87:172-6. 2005 - Outcome evaluation of surgical and nonsurgical management of lumbar disc protrusion causing radiculopathyKenneth C Thomas
Department of Surgery Orthopedics and Neurosciences, University of Calgary, Calgary, AB, Canada
Spine (Phila Pa 1976) 32:1414-22. 2007..Prospective cohort study... - The radiographic failure of single segment anterior cervical plate fixation in traumatic cervical flexion distraction injuriesMichael G Johnson
Winnipeg Spine Program, Department of Orthopedics and Neurosurgery, University of Manitoba, Winnipeg, Manitoba, Canada
Spine 29:2815-20. 2004..Endplate fracture was associated with both mechanical failure and pseudarthrosis... - Intrarater and interrater reliability and validity in the assessment of the mechanism of injury and integrity of the posterior ligamentous complex: a novel injury severity scoring system for thoracolumbar injuries. Invited submission from the Joint SectioJames S Harrop
Department of Neurosurgery, Thomas Jefferson University and the Rothman Institute, Philadelphia, Pennsylvania, USA
J Neurosurg Spine 4:118-22. 2006..The reliability and validity of assessing injury mechanism and the integrity of the PLC was assessed... - Radiographic measurement parameters in thoracolumbar fractures: a systematic review and consensus statement of the spine trauma study groupOry Keynan
Department of Orthopaedic Surgery B, Tel-Aviv Sourasky Medical Center, Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv, Israel
Spine 31:E156-65. 2006.... - Evidence-based medicine summary statementGunnar B J Andersson
Rush-Presbyterian-St. Luke's Medical Center, , , Sweden
Spine 32:S64-5. 2007 - Cost-effectiveness of surgery plus radiotherapy versus radiotherapy alone for metastatic epidural spinal cord compressionKenneth C Thomas
Department of Surgery (Orthopedics, University of Calgary, Calgary, AB, Canada
Int J Radiat Oncol Biol Phys 66:1212-8. 2006....