Wyngaarden, J. B. (1992). Cecil textbook of medicine (19 ed.). W. B. Saunders Company.
Lua i Stíl Chicago (17ú heag.)Wyngaarden, James B. Cecil Textbook of Medicine. 19 ed. Mexico: W. B. Saunders Company, 1992.
Lua MLA (9ú heag.)Wyngaarden, James B. Cecil Textbook of Medicine. 19 ed. W. B. Saunders Company, 1992.
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