Brennen Bittel and Kathrin Husmann (2023) “A Case Report of Thunderclap Headache with Sub-arachnoid Hemorrhage and Negative Angiography: A Review of Call-Fleming Syndrome and the use of Transcranial Dopplers in Predicting Morbidity”, Journal of Vascular and Interventional Neurology, 4(2). Available at: https://ojs.jvin.org/index.php/jvin/article/view/316 (Accessed: 23 February 2025).