title: Group hypnotherapy as an active control strategy in chronic pain.
mesh_terms: D000328:Adult; D000368:Aged; D003131:Combined Modality Therapy; D005260:Female; D006126:Group Processes; D006801:Humans; D006991:Hypnosis, Anesthetic / Q000379:methods*; D008297:Male; D008875:Middle Aged; D010148:Intractable Pain / Q000628:therapy*