| Literature DB >> 1245119 |
J Zipper, M Medel, L Pastene, M Rivera, L Torres, A Osorio, C Toscanini.
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Year: 1976 PMID: 1245119 DOI: 10.1016/0010-7824(76)90070-6
Source DB: PubMed Journal: Contraception ISSN: 0010-7824 Impact factor: 3.375