Budweg, Joris, Till Sprenger, Anthony De Vere-Tyndall, Anne Hagenkord, Christoph Stippich, and Christoph T. Berger. “Factors Associated With Significant MRI Findings in Medical Walk-in Patients With Acute Headache”. Swiss Medical Weekly 146, no. 4950 (December 4, 2016): w14349. Accessed November 28, 2024. https://smw.ch/index.php/smw/article/view/2255.