Sistema FMUSP-HC: Faculdade de Medicina da Universidade de São Paulo (FMUSP) e Hospital das Clínicas da FMUSPPULEDDA, FrancescaBOER, Irene deGARCIA-AZORIN, DavidMESSINA, RobertaAL-KARAGHOLI, Mohammad Al-MahdiSOUZA, Marcio Nattan PortesDHAEM, Olivia Begasse deGOICOCHEA, Maria-TeresaTASSORELLI, CristinaMAY, Arne2024-03-082024-03-082023CEPHALALGIA, v.43, n.1supp, suppl.1, p.166-167, 20230333-1024https://observatorio.fm.usp.br/handle/OPI/58545engrestrictedAccessInternational availability of headache medications - an ongoing global survey of the International Headache SocietyconferenceObjectCopyright SAGE PUBLICATIONS LTDClinical NeurologyNeurosciences1468-2982