O. M. París Pineda, N. L. Castillo Ortega, A. P. Dávila, C. J. Angel Sandoval, and V. D. Calvo Betancur, “Modifiable risk factors of respiratory infections in children´s homes and social gardens of the municipality of San José de Cúcuta”, Univ. Salud, vol. 15, no. 1, Jun. 2013.