title: No difference between acupuncture and sham in chronic tension-type headache (n=39).
authors.forename: M
authors.initials: M
authors.lastname: Cummings
mesh_terms: D015670:Acupuncture Therapy; D015986:Confounding Factors, Epidemiologic; D006801:Humans; D016032:Randomized Controlled Trials as Topic; D018781:Tension-Type Headache / Q000628:therapy*