Objective To study the changes of serum super-oxidate dismatase(SOD),endothelal(ET) and nitric oxide(NO) levels in children with bronchial asthma.

• 目的探讨支气管哮喘患儿血清超歧过氧化物酶(SOD)、内皮素(ET)和一氧化氮(NO)水平的变化。