title: The reflux from internal carotid artery of posterior circulation: variation of anatomy versus pathology.
mesh_terms: D000792:Angiography; D001488:Basilar Artery / Q000033:anatomy & histology; D001775:Blood Circulation; D002339:Carotid Arteries / Q000033:anatomy & histology / Q000000981:diagnostic imaging / Q000473:pathology; D002340:Carotid Artery Diseases / Q000000981:diagnostic imaging* / Q000473:pathology; D002941:Circle of Willis / Q000033:anatomy & histology / Q000473:pathology; D003287:Contrast Media; D006801:Humans; D008297:Male; D008875:Middle Aged
chemical_list: D003287:Contrast Media