AHMED, U.; AFSHAN, G. Pain treatment services; a national survey of tertiary care hospitals in Pakistan. Journal of the Pakistan Medical Association, [S. l.], v. 73, n. 7, p. 1447–1451, 2023. DOI: 10.47391/JPMA.7862. Disponível em: https://ojs.jpma.org.pk/index.php/public_html/article/view/7862. Acesso em: 21 feb. 2024.