2 .中华医学会呼吸病学分会哮喘学组.难治性哮喘诊断与处理专家共识.中华结核和呼吸杂志, 2010 , 33.Asthma endotypes : a new approach to classifi cation of disease entities within the asthma syndrome .A comparison of lowdose inhaled budesonide plus theophylline andhigh-dose inhaled budesonide for mo ......