The driving factors facilitating non-medical use of tramadol: a qualitative study of Nigerian youths. International Journal of Medical and Surgical Sciences, [S. l.], v. 10, n. 2, p. 1–10, 2023. DOI: 10.32457/ijmss.v10i2.2128. Disponível em: http://186.67.134.105/index.php/ijmss/article/view/2128. Acesso em: 22 oct. 2026.