DOI:
10.1055/s-00000059
Pneumologie
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References
Niewoehner DE, Erbland ML, Deupree RH. et al.
Effect of systemic glucocorticoids on exacerbations of chronic obstructive pulmonary disease. Department of Veterans Affairs Cooperative Study Group.
N Engl J Med 1999;
340: 1941-1947
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