[Pain and opioid peptides].
D015670:Acupuncture Therapy; D000769:Anesthesia, Inhalation; D004723:Endorphins / Q000378:metabolism*; D006801:Humans; D010146:Pain / Q000378:metabolism*; D000699:Pain Insensitivity, Congenital / Q000378:metabolism
D004723:Endorphins