title: Neuropeptides in Alzheimer's and in Parkinson's disease.
mesh_terms: D000544:Alzheimer Disease / Q000378:metabolism*; D001923:Brain Chemistry; D006801:Humans; D018377:Neurotransmitter Agents / Q000502:physiology*; D010300:Parkinson Disease / Q000378:metabolism*
chemical_list: D018377:Neurotransmitter Agents