Schorge, J. O. (2008). Williams Gynecology. McGraw-Hill Book Company.
Lua i Stíl Chicago (17ú heag.)Schorge, John O. Williams Gynecology. McGraw-Hill Book Company, 2008.
Lua MLA (9ú heag.)Schorge, John O. Williams Gynecology. McGraw-Hill Book Company, 2008.
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