[A follow-up study on the so-called nursery school refusal--the relation of its genesis to school refusal].
D001010:Anxiety, Separation; D002648:Child; D002653:Child Behavior Disorders; D002657:Child Development; D002675:Child, Preschool; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D007360:Intelligence; D008297:Male; D009034:Mother-Child Relations