title: [3 cases of cerebrovascular disorders in the vertebral and basilar artery region with diagnostic difficulty].
mesh_terms: D000328:Adult; D000368:Aged; D001488:Basilar Artery; D002561:Cerebrovascular Disorders / Q000175:diagnosis*; D003937:Diagnosis, Differential; D006801:Humans; D008297:Male; D014711:Vertebral Artery