title: A comment on past and future of acupuncture analgesia research.
authors.forename: H T
authors.initials: HT
authors.lastname: Chang
mesh_terms: D015667:Acupuncture Analgesia / Q000639:trends*; D000818:Animals; D015671:Electroacupuncture / Q000639:trends*; D004723:Endorphins / Q000378:metabolism; D006801:Humans; D010146:Pain / Q000503:physiopathology*
chemical_list: D004723:Endorphins