The Lancet · 2009 · 523 citations · 33 references
MedicineClinical SciencesInternal MedicinePulmonary Function TestingPulmonologyChronic Obstructive Pulmonary DiseaseDyspnea AssessmentForced Vital CapacityPrognostic AssessmentPulmonary Function AssessmentRespiratory DiseaseChronic Obstructive Pulmonary Disease AssessmentChronic Obstructive Pulmonary Disease PathophysiologyChronic Obstructive Pulmonary Disease SpirometryLung Disease Severity GradingPrognostic CriteriaPrognostic Risk AssessmentPulmonary Disease Severity GradingPulmonary Obstruction Assessment
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Prognosis and prognostic research: validating a prognostic model
Doug Altman, Yvonne Vergouwe, Patrick Royston et al. · BMJ · 2009 · 1.5K citations