| Literature DB >> 1107903 |
D R Halbert, L M Demers, D E Darnell Jones.
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Year: 1976 PMID: 1107903 DOI: 10.1097/00006254-197601000-00030
Source DB: PubMed Journal: Obstet Gynecol Surv ISSN: 0029-7828 Impact factor: 2.347