title: Simple phobia.
mesh_terms: D001143:Arousal; D001521:Behavior Therapy / Q000379:methods; D003131:Combined Modality Therapy; D004200:Diseases in Twins; D006801:Humans; D008370:Manuals as Topic; D010698:Phobic Disorders / Q000175:diagnosis* / Q000235:genetics / Q000628:therapy; D011574:Psychoanalytic Theory; D012931:Social Environment