| Literature DB >> 4742376 |
J H Nelson, T Lu, J E Hall, S Krown, J M Nelson, C W Fox.
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Year: 1973 PMID： 4742376 DOI： 10.1016/0002-9378(73)90211-1
Source DB: PubMed Journal: Am J Obstet Gynecol ISSN： 0002-9378 Impact factor: 8.661