COPUROGLU, E.; SAGIROGLU, G. Is regional anesthesia a safe technique for patients with severe ankylosing spondylitis undergoing total hip replacement surgery?. International Surgery Journal, [S. l.], v. 5, n. 8, p. 2913–2916, 2018. DOI: 10.18203/2349-2902.isj20183214. Disponível em: https://www.ijsurgery.com/index.php/isj/article/view/3122. Acesso em: 26 oct. 2025.