| Literature DB >> 5093654 |
T A Swartz, W Klingberg, R A Goldwasser, M A Klingberg, N Goldblum, M R Hilleman.
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Year: 1971 PMID: 5093654 DOI: 10.1093/oxfordjournals.aje.a121318
Source DB: PubMed Journal: Am J Epidemiol ISSN: 0002-9262 Impact factor: 4.897