| Literature DB >> 12821695 |
M Okasha1, P McCarron, J McEwen, J Durnin, G Davey Smith.
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Year: 2003 PMID: 12821695 PMCID: PMC1732524 DOI: 10.1136/jech.57.7.508
Source DB: PubMed Journal: J Epidemiol Community Health ISSN: 0143-005X Impact factor: 3.710