DMYTRIIEV, D V; ZALETSKA, O A; BORTNIK, D I. Opioids in the treatment of non-specific acute and chronic pain. Pain medicine, [S. l.], v. 4, n. 1, p. 22–36, 2019. DOI: 10.31636/pmjua.v4i1.3. Disponível em: https://painmedicine.org.ua/index.php/pnmdcn/article/view/188. Acesso em: 21 mar. 2026.