C., S.; N., G. Clinical profile of patients with chronic headache in a tertiary care hospital. International Journal of Advances in Medicine, [S. l.], v. 3, n. 3, p. 721–726, 2016. DOI: 10.18203/2349-3933.ijam20162524. Disponível em: https://www.ijmedicine.com/index.php/ijam/article/view/135. Acesso em: 17 jun. 2025.