1.
Fragoso YD, Fonseca PL da, Fortinguerra MB, Cominato L, Matte G de O, Oliveira CM. Management of primary headache in emergency services of Santos and surrounding towns. Sao Paulo Med J [Internet]. 1998 Mar. 3 [cited 2025 Jun. 7];116(2):1650-3. Available from: https://periodicosapm.emnuvens.com.br/spmj/article/view/2267