title: Differential reactions to frustrations of adolescent and adult institutionalized retardates.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000374:Aggression; D000786:Anger; D002648:Child; D005639:Frustration; D006167:Guilt; D006760:Hospitalization; D006801:Humans; D008607:Intellectual Disability; D007902:Length of Stay; D011581:Psychological Tests