Parental anxiety and children's attendance at emergency departments in relation to the child's birth order.
D000328:Adult; D001007:Anxiety / Q000523:psychology*; D001294:Attitude to Health; D001722:Birth Order; D002675:Child, Preschool; D004636:Emergency Service, Hospital / Q000706:statistics & numerical data*; D005260:Female; D006801:Humans; D008297:Male; D010290:Parents / Q000523:psychology*