| Literature DB >> 4176443 |
W C Keettel, L W Van Voorhis, H B Latourette.
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Year: 1968 PMID： 4176443 DOI： 10.1016/0002-9378(68)90381-5
Source DB: PubMed Journal: Am J Obstet Gynecol ISSN： 0002-9378 Impact factor: 8.661