IQBAL, K. M. . The Opioids For Pain: Why Low and Middle-Income Group of Nations Do Not Have Enough of It?. Bangladesh Journal of Pain, [S. l.], v. 2, n. 2, p. 1–3, 2022. DOI: 10.62848/bjpain.v2i2.4939. Disponível em: https://bjpain.org/index.php/bjpain/article/view/77. Acesso em: 10 apr. 2026.