Regarding “Cerebral Angiography for Evaluation of Patients with CT Angiogram-Negative Subarachnoid Hemorrhage: An 11-Year Experience”
X. Wu, V.B. Kalra, H.P. Forman Department of Diagnostic Radiology C.C. Matouk Department of Neurology and Neurosurgery G. Mongelluzzo, R. Liu, A. Malhotra Department of Diagnostic Radiology Yale School of Medicine New Haven, Connecticut We would like to thank Heit