1Celli BR, MacNee W. ATS/ESR Task Force. Standards for the di- agnosis and treatment patients With COPD : a summary of the ATS/ ESR position paper[ J]. Eru Respir J,2004,23:932 - 946.
2de Jong YP, Uil SM, Grotjohan HP, et al. Oral or IV prednisolone in the treatment of COPD exacerbations : a randomized, controlled, double-blind study[J]. Chest, 2007,132 : 1741 - 1747.
3E. Rand Sutherland, Elena Goleva, Matthew Strand, et al. Body Mass and Glucocorticoid Response in Asthma[J]. Am J Respir Grit Care Med, 2008, 178. 682 -687.
