Fentanyl versus tramadol as a supraclavicular brachial plexus blockade (BPB). International Journal of Psychosocial Rehabilitation, [S. l.], v. 25, n. 3, p. 717–723, 2021. DOI: 10.61841/jewrb111. Disponível em: http://65.2.176.223/psychosocial/index.php/ijpr/article/view/1107. Acesso em: 28 dec. 2024.