| Literature DB >> 72504 |
P Aula, O Karjalainen, J Rapola, J Lindgren, M Seppälä.
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Year: 1977 PMID: 72504 DOI: 10.1016/0002-9378(77)90659-7
Source DB: PubMed Journal: Am J Obstet Gynecol ISSN: 0002-9378 Impact factor: 8.661