Epidemiological profile of secondary headaches in a hospital in Salvador-BA: Proposal for a research project. Research, Society and Development, [S. l.], v. 11, n. 5, p. e22511528250, 2022. DOI: 10.33448/rsd-v11i5.28250. Disponível em: https://rsdjournal.org/rsd/article/view/28250. Acesso em: 5 dec. 2025.