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Malta DC, Vieira ML, Szwarcwald CL, Caixeta R, Brito SM, Dos Reis AA.Malta DC, et al. Among authors: caixeta r.Rev Bras Epidemiol. 2015 Dec;18 Suppl 2:45-56. doi: 10.1590/1980-5497201500060005.Rev Bras Epidemiol. 2015.PMID: 27008602Free article.English, Portuguese.
Almeida L, Szklo A, Sampaio M, Souza M, Martins LF, Szklo M, Malta D, Caixeta R.Almeida L, et al. Among authors: caixeta r.Int J Environ Res Public Health. 2012 Jul;9(7):2520-36. doi: 10.3390/ijerph9072520. Epub 2012 Jul 23.Int J Environ Res Public Health. 2012.PMID: 22851957Free PMC article.