Methadone treatment: relationship between dose and retention / Tratamiento con metadona: relación entre dosis y retención. Health and Addictions/Salud y Drogas, [S. l.], v. 3, n. 1, 2003. DOI: 10.21134/haaj.v3i1.154. Disponível em: https://ojs.haaj.org/haaj/article/view/154. Acesso em: 23 jul. 2026.