| Literature DB >> 879244 |
J R van Nagell, J C Parker, Y Maruyama, J Utley, W D Hager, E S Donaldson, E G Wood.
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Year: 1977 PMID: 879244 DOI: 10.1016/0002-9378(77)90718-9
Source DB: PubMed Journal: Am J Obstet Gynecol ISSN: 0002-9378 Impact factor: 8.661