title: Osteopathic treatment versus "relaxation" for tension-type headache.
authors: Todd A
authors: TA
authors: Smitherman
authors: Robert A
authors: RA
authors: Nicholson
authors: Donald B
authors: DB
authors: Penzien
mesh_terms: D006801:Humans; D026301:Manipulation, Osteopathic; D012063:Relaxation; D018781:Tension-Type Headache / Q000628:therapy*