De Santiago, Isabel, Ruy Ribeiro, Leonor Bacelar Nicolau, Rui Tato Marinho, and José Pereira-Miguel. 2020. “Consumption of Alcohol and Drugs in the School Population of Sao Tome and Principe”. Acta Médica Portuguesa 33 (4). Lisbon, Portugal:237-45. https://doi.org/10.20344/amp.11876.