J. Ocampo-Chaparro, H. Zapata-Ossa, A. Cubides-Munévar, C. Curcio, J. Villegas, and C. Reyes Ortiz, “Prevalence of Poor Self-Rated Health and Associated Risk Factors among Older Adults in Cali, Colombia”, cm, vol. 44, no. 4, pp. 224-231, Dec. 2013.