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Alvim NA, Ferreira Mde A, Cabral IE, de Almeida Filho AJ.Alvim NA, et al.Rev Lat Am Enfermagem. 2006 May-Jun;14(3):316-23. doi: 10.1590/s0104-11692006000300003.Rev Lat Am Enfermagem. 2006.PMID: 16926986Free article.
de Barcelos LM, Alvim NA.de Barcelos LM, et al.Rev Bras Enferm. 2003 May-Jun;56(3):236-41. doi: 10.1590/s0034-71672003000300005.Rev Bras Enferm. 2003.PMID: 14694734Portuguese.