Santana, C.C. de L., Souza, B.F.N. de, Andrade, J.R. de, Valenca, M.M., Santos, S.M. dos, Lima, L.M. de A.R., Santos, E.M. dos and Cruz, F.J.B. da 2023. Return to the Emergency Department of a Private Hospital in the City of Recife for Patients with Headaches. Headache Medicine. 14, Supplement (Dec. 2023), 123.