title: Systematic versus semantic desensitization and implosive therapy: a comparative study.
mesh_terms: D000293:Adolescent; D000328:Adult; D000818:Animals; D001521:Behavior Therapy; D005069:Evaluation Studies as Topic; D005239:Fear; D005260:Female; D006801:Humans; D008297:Male; D010698:Phobic Disorders / Q000628:therapy*; D051381:Rats; D013997:Time Factors