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