Christopher, D. (1977). Textbook of surgery, the biological basis of modern surgical practice. Saunders Company.
Chicago-referens (17:e uppl.)Christopher, Davis. Textbook of Surgery, the Biological Basis of Modern Surgical Practice. Washington, D.C: Saunders Company, 1977.
MLA-referens (9:e uppl.)Christopher, Davis. Textbook of Surgery, the Biological Basis of Modern Surgical Practice. Saunders Company, 1977.
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