Velasco Rodríguez, R., Benítez Guerrero, V., Muñoz Bernal, J., Reyes Barribas, L.E., Frayre De la O, A.D. and Pérez Hernández, M.G. 2019. Cognitive state of elderly and its association with alcohol and tobacco compsuption. CuidArte Journal. 8, 15 (Feb. 2019), 17–32. DOI:https://doi.org/10.22201/fesi.23958979e.2019.8.15.69154.