Symptoms of behaviour disturbance and adjustment to school.
D000367:Age Factors; D002653:Child Behavior Disorders / Q000175:diagnosis*; D002675:Child, Preschool; D002658:Developmental Disabilities / Q000175:diagnosis; D005260:Female; D006262:Health; D006801:Humans; D008137:Longitudinal Studies; D008297:Male; D009035:Mothers; D011379:Prognosis; D012574:Schools; D012737:Sex Factors; D012917:Social Adjustment