| Literature DB >> 4672369 |
A Kauppila, K Pietilä, J E Sjöstedt, M Korkonen, J Vahala.
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Year: 1972 PMID: 4672369 DOI: 10.3109/00016347209156850
Source DB: PubMed Journal: Acta Obstet Gynecol Scand ISSN: 0001-6349 Impact factor: 3.636