title: Relaxation therapy in migraine and chronic tension headache.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D001521:Behavior Therapy; D002648:Child; D002908:Chronic Disease; D003214:Conditioning, Classical; D005260:Female; D006261:Headache / Q000188:drug therapy / Q000628:therapy*; D006801:Humans; D008297:Male; D008875:Middle Aged; D008881:Migraine Disorders / Q000188:drug therapy / Q000628:therapy*; D009119:Muscle Contraction; D010865:Pilot Projects; D012063:Relaxation