title: Transcutaneous electrical nerve stimulation (TNS) and its relationship to placebo therapy: a review.
authors.affiliation: Medical Research Laboratory, Palmerston North Hospital.
authors.forename: G B
authors.initials: GB
authors.lastname: Langley
authors.forename: H
authors.initials: H
authors.lastname: Sheppeard
mesh_terms: D002908:Chronic Disease; D004599:Electric Stimulation Therapy; D004723:Endorphins / Q000502:physiology; D006801:Humans; D059408:Pain Management; D010919:Placebos / Q000627:therapeutic use*; D004561:Transcutaneous Electric Nerve Stimulation
chemical_list: D004723:Endorphins; D010919:Placebos