GVALANI, S. K.; KESKAR, M. Title predictors of difficult subarachnoid block. International Journal of Research in Medical Sciences, [S. l.], v. 4, n. 9, p. 3783–3788, 2016. DOI: 10.18203/2320-6012.ijrms20162697. Disponível em: https://www.msjonline.org/index.php/ijrms/article/view/83. Acesso em: 15 oct. 2025.