| Literature DB >> 900172 |
R R Weiss, A G Frantz, J N Macri, J Robins, J G Merker.
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Year: 1977 PMID： 900172 DOI： 10.1016/0002-9378(77)90810-9
Source DB: PubMed Journal: Am J Obstet Gynecol ISSN： 0002-9378 Impact factor: 8.661