ANDRADE , Juliana Ramos de; SANTANA , Claudia Cristina de Lira; SOUZA, Bruno Felipe Novaes de; CRUZ, Fernando; VALENÇA, Marcelo Moraes. Headache frequency among 71,267 admissions to an adult medical emergency in the city of Recife in 2021. Headache Medicine, [S. l.], v. 13, n. Supplement, p. 39, 2022. DOI: 10.48208/HeadacheMed.2022.Supplement.39. Disponível em: https://headachemedicine.com.br/index.php/hm/article/view/706. Acesso em: 4 dec. 2025.