title: Acquisition of phobias and anxiety response patterns in clinical patients.
mesh_terms: D000293:Adolescent; D000328:Adult; D001008:Anxiety Disorders / Q000523:psychology*; D001362:Avoidance Learning; D002648:Child; D002675:Child, Preschool; D005239:Fear; D006801:Humans; D008875:Middle Aged; D010698:Phobic Disorders / Q000523:psychology*