6Corren J.The impact of allergic rhinitis on bronchial asthma[J].Allergy Clinlmmunol,1998,101:352-356.
7Ciprandi G,Vizzaccaro A,Carillon I,et al.Increase of asthma and allergic in it is prevalence in young Italian men[J].Int Arch Allergy Immuno,1996,111:278-283.
8Guerra S,Sharrill DL,Martinez FD,et al.Rhinit is as an independent risk factor for adult on set asthma[J].Allergy Clin Immuno,2002,109(3):419-425.
9Jaakkola JJ,Kosheleva AA,Katsnelson BA,et al.Prenatal and postnatal tobacco smoke exposure and respiratory health in Russian children[J].Respir Res,2006,7:48.