Headache and transient ischemic attacks.
D000367:Age Factors; D001766:Blindness / Q000209:etiology; D002341:Carotid Artery Thrombosis / Q000150:complications; D005260:Female; D006261:Headache / Q000209:etiology*; D006801:Humans; D006973:Hypertension / Q000150:complications; D002546:Ischemic Attack, Transient / Q000150:complications*; D008297:Male; D008875:Middle Aged; D009461:Neurologic Manifestations; D012737:Sex Factors; D013349:Subclavian Steal Syndrome / Q000150:complications