| Peter McCulloch Randomised trials in surgery: problems and possible solutionsPeter McCulloch Academic Unit of Surgery, University of Liverpool, Clinical Sciences Centre, University Hospital Aintree, Liverpool L9 7AL BMJ 324:1448-51. 2002 Mortality control charts for comparing performance of surgical units: validation study using hospital mortality dataParis P Tekkis Academic Department of Surgery, King s College Hospital, London SE5 9RS BMJ 326:786-8. 2003
| - Paris P Tekkis
- Irving S Benjamin
- Adrian C Steger
- Jan D Poloniecki
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