Computed Tomography Head Scan to Evaluate Patient with Chief Complaint of Headache: Is It Necessary and Cost-Effective?. Medical Forum Monthly, [S. l.], v. 33, n. 2, 2024. Disponível em: https://medicalforummonthly.com/index.php/mfm/article/view/521.. Acesso em: 16 nov. 2025.