GAZI, M. B.; SAKATA, R. K.; ISSY, A. M. Intra-articular morphine versus bupivacaine for knee motion among patients with osteoarthritis: randomized double-blind clinical trial. São Paulo Medical Journal, [S. l.], v. 126, n. 6, p. 309–313, 2008. Disponível em: https://periodicosapm.emnuvens.com.br/spmj/article/view/2031. Acesso em: 10 mar. 2025.