| Literature DB >> 16809578 |
Brian A Primack, Jay D Aronson, Aaron A Agarwal.
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Year: 2006 PMID: 16809578 PMCID: PMC1522102 DOI: 10.2105/AJPH.2006.090381
Source DB: PubMed Journal: Am J Public Health ISSN: 0090-0036 Impact factor: 9.308