Ferreira de Sousa, T. ., and M. da Silva Ferreira. “Prevalence of Cannabis Use Among Students at a Public University in Bahia: Comparison Between Repeated Surveys: DOI: 10.15343/0104-7809.202044358371”. O Mundo Da Saúde, vol. 44, July 2020, pp. 358-71, https://revistamundodasaude.emnuvens.com.br/mundodasaude/article/view/963.