TY - RPRT TI - Continuous sumatriptan exposure induces persistent trigeminovascular sensitisation and brain perfusion changes in a rat model of medication overuse headache. AU - Hall, J. G. AU - Boissonade, F. M. AU - Kennerley, A. J. AU - De Felice, M. PY - 2026 DO - 10.64898/2026.05.26.726530 UR - https://www.biorxiv.org/content/10.64898/2026.05.26.726530v1 ID - 10.64898/2026.05.26.726530 ER -