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Kawachi I, Subramanian SV, Almeida-Filho N.Kawachi I, et al. Among authors: subramanian sv.J Epidemiol Community Health. 2002 Sep;56(9):647-52. doi: 10.1136/jech.56.9.647.J Epidemiol Community Health. 2002.PMID: 12177079Free PMC article.Review.
Nandy S, Irving M, Gordon D, Subramanian SV, Smith GD.Nandy S, et al. Among authors: subramanian sv.Bull World Health Organ. 2005 Mar;83(3):210-6. Epub 2005 Mar 16.Bull World Health Organ. 2005.PMID: 15798845Free PMC article.