title: The contribution of therapeutic instruction of covert sensitization.
mesh_terms: D000328:Adult; D001348:Aversive Therapy; D005108:Extinction, Psychological; D006716:Homosexuality / Q000628:therapy*; D006801:Humans; D007989:Libido; D008297:Male; D008875:Middle Aged; D010413:Penis / Q000502:physiology