| Literature DB >> 4742377 |
S Wassertheil-Smoller, C B Arnold, R C Lerner, S L Heimrath.
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Year: 1973 PMID： 4742377 DOI： 10.1016/0002-9378(73)90213-5
Source DB: PubMed Journal: Am J Obstet Gynecol ISSN： 0002-9378 Impact factor: 8.661