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Vianna CM, Caetano R, Ortega JA, Façanha LO, Mosegui GB, Siqueira M, Costa TB.Vianna CM, et al. Among authors: caetano r.Bull World Health Organ. 2007 Feb;85(2):124-30. doi: 10.2471/blt.06.032383.Bull World Health Organ. 2007.PMID: 17308733Free PMC article.
da Costa RD, Osorio-de-Castro CG, da Silva RM, Maia Ade A, Ramos Mde C, Caetano R.da Costa RD, et al. Among authors: caetano r.Cien Saude Colet. 2015 Dec;20(12):3827-38. doi: 10.1590/1413-812320152012.11542015.Cien Saude Colet. 2015.PMID: 26691807Free article.Portuguese.