Guzmán Facundo, Francisco Rafael, Sanjuana De Jesús Ramos Luna, María Magdalena Alonso Castillo, Santiaga Enriqueta Esparza Almanza, Karla Selene López García, and Cinthya Ibarra Gonzalez. 2011. “Depression and Psychoactive Substances Consumption in Mexican College Undergraduates”. Investigación Y Educación En Enfermería 29 (3). https://revistas.udea.edu.co/index.php/iee/article/view/4732.