Cecilio, G.M. , Sleiman, L.G. and Ferez, D. 2022. Incidence of headache after subarachnoid anesthesia in a philanthropic maternity clinic. Revista da Faculdade de Ciências Médicas de Sorocaba. 22, 4 (Jun. 2022), 156–162. DOI:https://doi.org/10.23925/1984-4840.2020v22i4a5.