| Literature DB >> 5100336 |
J R Udry, S Keovichit, R Burnright, D O Cowgill, N M Morris, C Yamarat.
Abstract
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Year: 1971 PMID: 5100336 PMCID: PMC1530654 DOI: 10.2105/ajph.61.2.344
Source DB: PubMed Journal: Am J Public Health ISSN: 0090-0036 Impact factor: 9.308