title: Contributions of neurochemistry to neurology and psychiatry. Introduction.
mesh_terms: D000613:Aminobutyrates / Q000502:physiology; D001479:Basal Ganglia / Q000502:physiology; D001921:Brain / Q000503:physiopathology*; D004295:Dihydroxyphenylalanine / Q000627:therapeutic use; D006801:Humans; D009433:Neural Inhibition; D018377:Neurotransmitter Agents / Q000502:physiology*; D010300:Parkinson Disease / Q000188:drug therapy / Q000503:physiopathology*; D012559:Schizophrenia / Q000503:physiopathology
chemical_list: D000613:Aminobutyrates; D018377:Neurotransmitter Agents; D004295:Dihydroxyphenylalanine