S1 (MH “Cerebrovascular Disorders”)
S2 (MH “Basal Ganglia Cerebrovascular Disease+”)
S3 (MH “Cerebral Ischemia+”)
S4 (MH “Intracranial Arterial Diseases+”) OR (MH “Intracranial Embolism and Thrombosis+”) OR (MH “Intracranial Hemorrhage+”)
OR (MH “Stroke+”)
S5 (MH “Carotid Artery Diseases+”)
S6 (MH “Brain Injuries+”)
S7 (MH “Cerebral Vasospasm”)
S8 (MH “Vertebral Artery Dissections”)