Camargo Escobar, Flor L, et al. “Cardiovascular Risk in Urban Public Transport Bus Drivers in Santiago De Cali, Colombia”. Revista Colombiana De Salud Ocupacional, vol. 3, no. 3, Sept. 2013, pp. 18-22, https://revistas.unilibre.edu.co/index.php/rc_salud_ocupa/article/view/4866.