https://doi.org/10.1016/j.bjane.2021.04.024
Braz J Anesthesiol, vol.71, nov-dez, 2021 Sphenopalatine ganglion block for refractory COVID-19 headache: a descriptive case series Relato de Caso
Braz J Anesthesiol, vol.71, nov-dez, 2021 Sphenopalatine ganglion block for refractory COVID-19 headache: a descriptive case series Relato de Caso