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Uptodate Reference Title
Kaplan-Meier estimates of the probability of remaining relapse-free at 30 days for outpatients with acute exacerbations of COPD treated with prednisone or placebo
Kaplan-Meier estimates of the probability of remaining relapse-free at 30 days for outpatients with acute exacerbations of COPD treated with prednisone or placebo
Tick marks represent censored data. p=0.04 by the log-rank test.
