• What effect do inhaled steroids have on delaying the progression of COPD? 

    Hansen, Laura; Havemann, James; Burroughs, Martha (Family Physicians Inquiries Network, 2004-10)
    The annual rate of decline in forced expiratory volume for 1 second (FEV1) has been researchers' gold standard as an objective measure for progression of chronic obstructive pulmonary disease (COPD). Inhaled corticosteroids ...