title: A cotwin control study and a twin study of reflection-impulsivity in children.
mesh_terms: D002648:Child; D002675:Child, Preschool; D005260:Female; D005824:Genetics, Behavioral; D006801:Humans; D008297:Male; D010551:Personality; D011247:Pregnancy; D014427:Twins; D014429:Twins, Dizygotic; D014430:Twins, Monozygotic