| Literature DB >> 4328674 |
C G Collins, J H Collins, B R Harrison, R A Nicholls, E S Hoffman, P J Krupp.
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Year: 1971 PMID: 4328674 DOI: 10.1016/0002-9378(71)90468-6
Source DB: PubMed Journal: Am J Obstet Gynecol ISSN: 0002-9378 Impact factor: 8.661