Th `randomized controlled trial' publication type as a limit.This retrieves various papers, some of which recommend that acupuncture is superior to both sham (placebo) acupuncture and no acupuncture manage ; other folks that report acupuncture to be superior to no acupuncture but not to sham acupunctur.Th `randomized controlled trial' publication sort as a limit.This retrieves diverse papers, a