Não informado. (1989). Current Opinion in Obstetrics and Gynecology. Rapid Science Publishers.
Chicago-viite (17. p.)Não informado. Current Opinion in Obstetrics and Gynecology. London: Rapid Science Publishers, 1989.
MLA-viite (8. p.)Não informado. Current Opinion in Obstetrics and Gynecology. Rapid Science Publishers, 1989.
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