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Bustos-Saldaña R, Alfaro-Rodríguez M, Solís-Ruiz Mde L, Trujillo-Hernández B, Pacheco-Carrasco M, Vázquez-Jiménez C, Celis-de la Rosa Ade J.Bustos-Saldaña R, et al. Among authors: alfaro rodriguez m.Rev Med Inst Mex Seguro Soc. 2009 Sep-Oct;47(5):483-8.Rev Med Inst Mex Seguro Soc. 2009.PMID: 20550856Spanish.