| Literature DB >> 4650655 |
G G Anderson, J C Hobbins, L Speroff, B V Caldwell.
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Year: 1972 PMID： 4650655 DOI： 10.1016/0010-7824(72)90069-8
Source DB: PubMed Journal: Contraception ISSN： 0010-7824 Impact factor: 3.375