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de Oliveira NL, de Sousa RM.de Oliveira NL, et al. Among authors: de sousa rm.Rev Lat Am Enfermagem. 2003 Nov-Dec;11(6):749-56. doi: 10.1590/s0104-11692003000600008. Epub 2004 Mar 23.Rev Lat Am Enfermagem. 2003.PMID: 15042202Free article.Portuguese.
de Oliveira NL, de Sousa RM.de Oliveira NL, et al. Among authors: de sousa rm.Rev Lat Am Enfermagem. 2011 Mar-Apr;19(2):403-10. doi: 10.1590/s0104-11692011000200024.Rev Lat Am Enfermagem. 2011.PMID: 21584389Free article.English, Portuguese, Spanish.