title: Lung function decline in COPD trials: bias from regression to the mean.
authors.forename: S
authors.initials: S
authors.lastname: Suissa
mesh_terms: 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