1.
Carvalho JJ de, Alves J, Severino F, Reis V, Deulefeu F. "Not otherwise specified headache" in emergency department: an analysis of 149,603 visits to nine Upa’s 24h in Fortaleza. Headache Med [Internet]. 2022 Oct. 27 [cited 2024 Nov. 21];13(Supplement):46. Available from: https://headachemedicine.com.br/index.php/hm/article/view/719