| Literature DB >> 9663168 |
R C Morrow, A L Morrow, G Haislip.
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Year: 1998 PMID: 9663168 PMCID: PMC1508248 DOI: 10.2105/ajph.88.7.1121
Source DB: PubMed Journal: Am J Public Health ISSN: 0090-0036 Impact factor: 9.308