| Literature DB >> 3953923 |
S P Klein, H M Bohannan, R M Bell, J A Disney, R C Graves.
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Year: 1986 PMID: 3953923 PMCID: PMC1646503 DOI: 10.2105/ajph.76.4.448
Source DB: PubMed Journal: Am J Public Health ISSN: 0090-0036 Impact factor: 9.308