VELIS, Evelio; BORRAS, Selene; KHAJA, Sumera. Mental Illness and Opioid Epidemic in the United States. European Scientific Journal, ESJ, [S. l.], v. 14, n. 10, 2018. Disponível em: https://last.eujournal.org/index.php/esj/article/view/11203. Acesso em: 11 feb. 2026.