| Literature DB >> 21815302 |
Philip J Smith1, David Wood, Paul M Darden.
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Year: 2011 PMID: 21815302 PMCID: PMC3113425 DOI: 10.1177/00333549111260S202
Source DB: PubMed Journal: Public Health Rep ISSN: 0033-3549 Impact factor: 2.792