Saletti, Andrea, et al. “CT Perfusion-Guided Endovascular Treatment of Symptomatic Cerebral Vasospasm in a Patient With Perimesencephalic Non-Aneurysmal Subarachnoid Hemorrhage”. Archives of Case Reports, vol. 4, no. 1, Mar. 2020, pp. 020-1, doi:10.29328/journal.acr.1001033.