Headache and hypertension.
D001794:Blood Pressure; D006261:Headache / Q000209:etiology*; D006801:Humans; D006973:Hypertension / Q000150:complications*; D007427:Intracranial Pressure; D009497:Neurotic Disorders / Q000150:complications*; D011859:Radiography; D013122:Spinal Diseases / Q000000981:diagnostic imaging