[New approaches to the problem of pain].
D000698:Analgesia; D006801:Humans; D009270:Naloxone / Q000494:pharmacology; D018377:Neurotransmitter Agents / Q000502:physiology; D010146:Pain / Q000503:physiopathology*
D018377:Neurotransmitter Agents; D009270:Naloxone
Nuevos aportes al problema del dolor.