| Literature DB >> 5541460 |
W N Spellacy, E S Teoh, W C Buhi, S A Birk, S A McCreary.
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Year: 1971 PMID: 5541460 DOI: 10.1016/0002-9378(71)90634-x
Source DB: PubMed Journal: Am J Obstet Gynecol ISSN: 0002-9378 Impact factor: 8.661