title: Headaches associated with organic diseases of the nervous system.
mesh_terms: D001932:Brain Neoplasms / Q000150:complications; D002908:Chronic Disease; D003371:Cough / Q000150:complications; D006261:Headache / Q000209:etiology*; D006801:Humans; D002532:Intracranial Aneurysm / Q000150:complications; D007427:Intracranial Pressure; D008581:Meningitis / Q000150:complications; D009103:Multiple Sclerosis / Q000150:complications; D009422:Nervous System Diseases / Q000150:complications*; D010911:Pituitary Neoplasms / Q000150:complications; D012422:Rupture, Spontaneous; D013035:Spasm / Q000150:complications; D014653:Vascular Headaches / Q000209:etiology