title: Differentiation of organic from nonorganic retarded children.
mesh_terms: D000293:Adolescent; D001925:Brain Damage, Chronic / Q000150:complications / Q000175:diagnosis*; D002648:Child; D005556:Form Perception; D006801:Humans; D008607:Intellectual Disability / Q000209:etiology*; D011386:Projective Techniques; D011581:Psychological Tests