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Obstet Gynecol. 1966 Aug;28(2):198-205. doi: 10.1097/00003081-196608000-00010.
Hormonal therapy for control of the incompetent os of pregnancy.
Sherman AI
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Obstet Gynecol. 1966 Aug;28(2):198-205. doi: 10.1097/00003081-196608000-00010.
Sherman AI