Barbosa, F. T., Castro, A. A., & Sousa-Rodrigues, C. F. de. (2013). Neuraxial anesthesia for orthopedic surgery: systematic review and meta-analysis of randomized clinical trials. São Paulo Medical Journal, 131(6), 411–421. Retrieved from https://periodicosapm.emnuvens.com.br/spmj/article/view/1388