| Literature DB >> 4166772 |
O Widholm, M Frisk, T Tenhunen, H Hortling.
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Year: 1967 PMID: 4166772 DOI: 10.3109/00016346709162693
Source DB: PubMed Journal: Acta Obstet Gynecol Scand ISSN: 0001-6349 Impact factor: 3.636