title: Relationship of sex, social class and rural/urban locale to preschoolers' AML scores.
mesh_terms: D001741:Black or African American / Q000523:psychology; D002653:Child Behavior Disorders / Q000175:diagnosis / Q000523:psychology*; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007859:Learning Disabilities / Q000175:diagnosis / Q000523:psychology*; D008297:Male; D012737:Sex Factors; D012923:Social Class