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Delpierre C, Kelly-Irving M, Munch-Petersen M, Lauwers-Cances V, Datta GD, Lepage B, Lang T.Delpierre C, et al.BMC Public Health. 2012 Jan 10;12:19. doi: 10.1186/1471-2458-12-19.BMC Public Health. 2012.PMID: 22233446Free PMC article.
Rolland Y, Lauwers-Cances V, Cesari M, Vellas B, Pahor M, Grandjean H.Rolland Y, et al.Eur J Epidemiol. 2006;21(2):113-22. doi: 10.1007/s10654-005-5458-x.Eur J Epidemiol. 2006.PMID: 16518679