| Literature DB >> 1678827 |
D J Anderson, J A Politch, A Martinez, B J Van Voorhis, N S Padian, T R O'Brien.
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Year: 1991 PMID: 1678827 DOI: 10.1016/0140-6736(91)91139-l
Source DB: PubMed Journal: Lancet ISSN: 0140-6736 Impact factor: 79.321