title: The efficacy and cost-effectiveness of minimal-therapist-contact, non-drug treatments of chronic migraine and tension headache.
mesh_terms: D000328:Adult; D000553:Ambulatory Care; D001676:Biofeedback, Psychology; D002908:Chronic Disease; D003362:Cost-Benefit Analysis; D005260:Female; D005500:Follow-Up Studies; D006261:Headache / Q000628:therapy*; D006801:Humans; D008297:Male; D008875:Middle Aged; D008881:Migraine Disorders / Q000628:therapy*; D012064:Relaxation Therapy; D012648:Self Care; D014653:Vascular Headaches / Q000628:therapy*