| Literature DB >> 4689228 |
L Tervilä, E Vartianinen, I Kivalo, M J Finnilä, M Väyrynen.
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Year: 1973 PMID: 4689228 DOI: 10.3109/00016347309158309
Source DB: PubMed Journal: Acta Obstet Gynecol Scand ISSN: 0001-6349 Impact factor: 3.636