| Literature DB >> 21493942 |
Grace L Reynolds, Dennis G Fisher, Lucy E Napper.
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Year: 2011 PMID: 21493942 PMCID: PMC3093258 DOI: 10.2105/AJPH.2011.300128
Source DB: PubMed Journal: Am J Public Health ISSN: 0090-0036 Impact factor: 9.308