Gabbe, S. G. (2012). Obstetrics: Normal and problem pregnancies (6th ed.). Philadelphia: Elsevier/Saunders.
Chicago Stili AlıntıGabbe, Steven G. Obstetrics: Normal and Problem Pregnancies. 6th ed. Philadelphia: Elsevier/Saunders, 2012.
MLA AlıntıGabbe, Steven G. Obstetrics: Normal and Problem Pregnancies. 6th ed. Philadelphia: Elsevier/Saunders, 2012.
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