The role of muscle relaxation in participant modeling.
D000328:Adult; D000818:Animals; D001326:Autogenic Training; D001521:Behavior Therapy; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D008722:Methods; D010698:Phobic Disorders / Q000628:therapy*; D011615:Psychotherapy, Group; D012911:Snakes