Ectopic pregnancies during use of low-dose progestogens for oral contraception.
作者信息
Liukko P, Erkkola R, Laakso L
出版信息
Contraception. 1977 Dec;16(6):575-80. doi: 10.1016/0010-7824(77)90058-0.
PMID:606497
Abstract
摘要
Liukko P, Erkkola R, Laakso L
Contraception. 1977 Dec;16(6):575-80. doi: 10.1016/0010-7824(77)90058-0.
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