Sphenopalatine ganglion block for refractory COVID-19 headache: a descriptive case series

Publication date: Available online 28 April 2021Source: Brazilian Journal of Anesthesiology (English Edition)Author(s): Felipe Chiodini Machado, Gilson Carone Neto, Rebeca Santiago Duarte Carone
Source: Brazilian Journal of Anesthesiology - Category: Anesthesiology Source Type: research