| Konstantinos Manes Esophagectomy without thoracotomy: 25 years of experience over 750 patientsPanagiotis Yannopoulos Esophageal Surgery Unit, Athens Medical Center Hospital, 5 7 Distomou str, 15125, Athens, Greece Langenbecks Arch Surg 394:611-6. 2009 Persistent early organ failure: defining the high-risk group of patients with severe acute pancreatitis?Dimitrios Lytras 1st Surgical Department, Agia Olga Hospital, Athens, Greece Pancreas 36:249-54. 2008 Computed tomography versus Acute Physiology and Chronic Health Evaluation II score in predicting severity of acute pancreatitis: a prospective, comparative study with statistical evaluationCharikleia Triantopoulou Computed Tomography Department, Konstantopoulio Agia Olga Hospital, Athens, Greece Pancreas 35:238-42. 2007
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