| Literature DB >> 4723638 |
L G Dales, G D Friedman, S Ramcharan, A B Siegelaub, B A Campbell, R Feldman, M F Collen.
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Year: 1973 PMID: 4723638 DOI: 10.1016/0091-7435(73)90066-2
Source DB: PubMed Journal: Prev Med ISSN: 0091-7435 Impact factor: 4.018