Valença, Marcelo Moraes, and Mario Fernando Prieto Peres. “Urgent Need for Reform: Addressing the Inadequate Emergency Care for Headache Patients Under the Manchester Triage System”. Headache Medicine 15, no. 2 (June 30, 2024): 98–103. Accessed January 8, 2025. https://headachemedicine.com.br/index.php/hm/article/view/1170.