SIMBOLON, B. M. Opioid and the usage in chronic non cancer pain. Jurnal Prima Medika Sains, [S. l.], v. 5, n. 2, p. 196-205, 2023. DOI: 10.34012/jpms.v5i2.4613. Disponível em: http://jurnal.unprimdn.ac.id/index.php/JPMS/article/view/4613. Acesso em: 18 may. 2024.