title: Tree drawings of institutionalized retardates: seasonal and color effects.
mesh_terms: D000293:Adolescent; D000328:Adult; D000339:Affect; D000367:Age Factors; D001154:Art; D002648:Child; D003116:Color; D005260:Female; D006801:Humans; D008607:Intellectual Disability; D008297:Male; D011386:Projective Techniques; D012621:Seasons; D012737:Sex Factors