Ink-blot responses of identical and fraternal twins.
D000293:Adolescent; D002648:Child; D005260:Female; D005826:Genetics, Medical; D005838:Genotype; D006801:Humans; D007361:Intelligence Tests; D008297:Male; D011247:Pregnancy; D011594:Psychometrics; D012392:Rorschach Test; D014427:Twins