| Literature DB >> 67917 |
R M Hill, J P Craig, M D Chaney, L M Tennyson, L B McCulley.
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Year: 1977 PMID: 67917 DOI: 10.1097/00003081-197706000-00018
Source DB: PubMed Journal: Clin Obstet Gynecol ISSN: 0009-9201 Impact factor: 2.190