Self-directed contact desensitization.
D000818:Animals; D001521:Behavior Therapy / Q000379:methods*; D003887:Desensitization, Psychologic / Q000379:methods*; D005260:Female; D006801:Humans; D007389:Internal-External Control; D008297:Male; D010698:Phobic Disorders / Q000628:therapy*; D012911:Snakes