SINGH, M.; SINGH, D.; ATIT; EKKA, D.; INDHUMATHI, P. S. To evaluate the quality of successful ultrasound guided supraclavicular brachial plexus block and its correlation with perfusion index ratio. International journal of health sciences, [S. l.], v. 5, n. S2, p. 1093–1100, 2021. DOI: 10.53730/ijhs.v5nS2.14151. Disponível em: https://sciencescholar.us/journal/index.php/ijhs/article/view/14151. Acesso em: 28 apr. 2026.