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Cofré-Lizama A, Delgado-Floody PA, Saldivia-Mansilla C, Jerez-Mayorga D.Cofré-Lizama A, et al.Rev Salud Publica (Bogota). 2017 Jul-Aug;19(4):527-532. doi: 10.15446/rsap.v19n4.50809.Rev Salud Publica (Bogota). 2017.PMID: 30183858Free article.Spanish.