title: Doppler examination in the study of the obstructive carotid artery.
mesh_terms: D002340:Carotid Artery Diseases / Q000175:diagnosis*; D002341:Carotid Artery Thrombosis / Q000175:diagnosis; D002343:Carotid Artery, Internal; D003251:Constriction, Pathologic; D006801:Humans; D014463:Ultrasonography