zhou, Xin-Wei, et al. “Hypo-Attenuating Berry Sign As a Novel Imaging Marker of Ruptured Aneurysm in Patients With Subarachnoid Hemorrhage; A Diagnostic Accuracy Study ”. Archives of Academic Emergency Medicine, vol. 12, no. 1, Feb. 2024, p. e31, doi:10.22037/aaem.v12i1.2154.