| Literature DB >> 4937729 |
H A Elder, B A Santamarina, S Smith, E H Kass.
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Year: 1971 PMID: 4937729 DOI: 10.1016/0002-9378(71)90793-9
Source DB: PubMed Journal: Am J Obstet Gynecol ISSN: 0002-9378 Impact factor: 8.661