| Literature DB >> 5549341 |
J E Idänpään-Heikkilä, P I Jouppila, J O Puolakka, M S Vorne.
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Year: 1971 PMID: 5549341 DOI: 10.1016/0002-9378(71)90282-1
Source DB: PubMed Journal: Am J Obstet Gynecol ISSN: 0002-9378 Impact factor: 8.661