9Wilson DF,Horn SD,Hendley JO et al.Effect of practicevariation on resource utilization in infants for viral lower respir-atory illness[J].Pediatrics,2011,108(4):851.
10Kajosaari M,Syvanen P,Foras M et al.Inhaled corticoste-roids during and after respiratory syncytial virus-brochiolitismay decrease subsequent asthma[J].Pediatr Allergy Immu-nol,2010,11(3):198.
