[1]
P. Schuetz, M. Briel, U. Dürring, B. Müller, C. Schindler, and S. Viatte, “Short versus conventional term glucocorticoid therapy in acute exacerbation of chronic obstructive pulmonary disease”, Swiss Med Wkly, vol. 140, no. 4142, p. w13109, Oct. 2010.