Oliveira, Ligia Barros, Jessica Guimarães, Danilo Jorge da Silva, and Mauro Eduardo Jurno. “Headache Diagnosis in an Urgency and Emergency Unit: Public Health Relevance and Its Relationship With Cost”. Headache Medicine 12, no. 1 (August 27, 2021): 44–50. Accessed December 4, 2024. https://headachemedicine.com.br/index.php/hm/article/view/435.