Não informado. (2000). Transactions of the American Association of Obstetricians and Gynecologists. American Association of Obstetricians and Gynecologists.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Transactions of the American Association of Obstetricians and Gynecologists. Philadelphia, Pa: American Association of Obstetricians and Gynecologists, 2000.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Transactions of the American Association of Obstetricians and Gynecologists. American Association of Obstetricians and Gynecologists, 2000.
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