Correa, J.C., Pinto, D., Salas, L.A., Camacho, J.C., Rondón, M., y Quintero, J., «A cluster-randomized controlled trial of handrubs for prevention of infectious diseases among children in Colombia», Pan American journal of public health = Revista Panamericana de salud publica, pp. p. 476 - 484; 4 tab.; 3 fig., 2012.