| Literature DB >> 3902494 |
S R Cummings, J L Kelsey, M C Nevitt, K J O'Dowd.
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Year: 1985 PMID: 3902494 DOI: 10.1093/oxfordjournals.epirev.a036281
Source DB: PubMed Journal: Epidemiol Rev ISSN: 0193-936X Impact factor: 6.222