18.輕度持續性氣喘（persistant asthma）以下列何種治療為主？
(A)inhaled corticosteroids
(B)leukotriene modifiers
(C)β2 -agonist inhaler as needed
(D)Theophylline plus β2 -agonist

答案：登入後查看
統計： A(191), B(12), C(119), D(12), E(0) #1562410