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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