Family socio-cultural background and the behavioral retardation of children.
D000293:Adolescent; D002140:California; D002648:Child; D005006:Ethnicity; D005190:Family; D005260:Female; D006801:Humans; D008607:Intellectual Disability; D008297:Male; D008800:Mexico; D012111:Residence Characteristics; D012919:Social Behavior; D012959:Socioeconomic Factors