Kalashnikov Valeriy Yosypovych, and Stoyanov Oleksandr Mykolaiovych. “Reactivity of Brain Blood Flow in Patients With Tension-Type Headache”. Scientific Research and Experimental Development, no. 6 (April 28, 2024). Accessed July 18, 2026. https://ojs.scipub.de/index.php/SRED/article/view/3435.