title: Clinical research: efficacy studies v basic research.
authors.forename: M J
authors.initials: MJ
authors.lastname: Hoffert
mesh_terms: D015670:Acupuncture Therapy; D002681:China; D002986:Clinical Trials as Topic; D004311:Double-Blind Method; D006801:Humans; D059408:Pain Management; D012107:Research Design