León, J., Murillo, H., Varón, L., Montes, D., & Cuervo, R. (2017). Occupational health and safety management systems related with the work accidents of 12 PYMES companies of the construction sector. Revista Colombiana De Salud Ocupacional, 7(1), 22-30. https://doi.org/10.18041/2322-634X/rc_salud_ocupa.1.2017.4949 (Original work published 2017)