Study of prevalence of headache and its various facets among 200 medical students. International Journal of Biomedical and Advance Research, [S. l.], v. 7, n. 2, p. 72–75, 2016. DOI: 10.7439/ijbar.v7i2.2923. Disponível em: https://ssjournals.co.in/index.php/ijbar/article/view/2923. Acesso em: 12 mar. 2026.