Nüesch, E., Rutjes, A. W. S., Husni, E., Welch, V., & Jüni, P. (2009). Oral or transdermal opioids for osteoarthritis of the knee or hip. São Paulo Medical Journal, 127(6), 388. Retrieved from https://periodicosapm.emnuvens.com.br/spmj/article/view/1917