Lung function decline in COPD trials: bias from regression to the mean.
Suissa
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D015982:Bias; D006801:Humans; D008168:Lung / Q000503:physiopathology*; D029424:Pulmonary Disease, Chronic Obstructive / Q000503:physiopathology* / Q000628:therapy; D016032:Randomized Controlled Trials as Topic; D012044:Regression Analysis; D012107:Research Design; D013997:Time Factors