González-Casagua, María Sofía, Juan David Bermeo-Calderón, Luis Alfonso Laverde-Gaona, and Yaliana Tafurt-Cardona. 2019. “Environmental Carcinogens Associated With Childhood Cancer”. Universidad Y Salud 21 (3). San Juan de Pasto, CO:270-76. https://doi.org/10.22267/rus.192103.164.