title: Parkinson's disease--II. Aging and neuroendocrine relationships.
mesh_terms: D000375:Aging; D000818:Animals; D006801:Humans; D018377:Neurotransmitter Agents / Q000502:physiology*; D010300:Parkinson Disease / Q000503:physiopathology*
chemical_list: D018377:Neurotransmitter Agents