1.
Rodrigues JM, Caires VV, Fontoura KBC, Silva TCS, Goulart SF, Rocha CM, et al. Prevalence of headaches in individuals referred from primary care to secondary care. Headache Med [Internet]. 2011 Dec. 31 [cited 2025 Dec. 4];2(4):200-3. Available from: https://headachemedicine.com.br/index.php/hm/article/view/191