title: Newer neurotransmitters in pain control.
mesh_terms: D000700:Analgesics / Q000266:history; D004723:Endorphins / Q000502:physiology; D006801:Humans; D009482:Neurophysiology / Q000639:trends*; D018377:Neurotransmitter Agents / Q000266:history / Q000502:physiology*
chemical_list: D000700:Analgesics; D004723:Endorphins; D018377:Neurotransmitter Agents