Não informado. (2003). Abstracts of Current Literature on Venereal Disease. National Communicable Disease Center, Venereal Disease Program.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Abstracts of Current Literature on Venereal Disease. Atlanta, Ga: National Communicable Disease Center, Venereal Disease Program, 2003.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Abstracts of Current Literature on Venereal Disease. National Communicable Disease Center, Venereal Disease Program, 2003.
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