BUTT, S. S.; TARAR, W. L.; AMIN, F.; BUTT, M. zaka. Pain management in cancer patients in tertiary care hospitals. Journal of Postgraduate Medical Institute, [S. l.], v. 27, n. 4, 2013. Disponível em: https://www.jpmi.org.pk/index.php/jpmi/article/view/1387. Acesso em: 26 apr. 2024.