Tovilla-Zarate, Carlos Alfonso, and Alma Delia Gómez Mendoza. “Genes, the Serotonergic System and Suicidal Behavior”. International Journal of Psychological Research 5, no. 1 (June 30, 2012): 52–58. Accessed April 24, 2024. https://revistas.usb.edu.co/index.php/IJPR/article/view/751.