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Blood histamine levels in CNS disorders. C: control; Anx: anxiety; Dep: depression; Psy: psychosis; Str: stroke; AD: Alzheimer's disease; PD: Parkinson's disease; ADHD: attention-deficit hyperactivity disorder; Mig: migraine; Epi: epilepsy; VD: vascular dementia; VE: vascular encephalopathy; MS: multiple sclerosis; CVI: cerebrovascular insufficiency; BT: brain tumors; CNN: cranial nerve neuropathy; MR: mental retardation; PBI: posttraumatic brain injury; GP: general population.
