Respiratory Investigation · 2012 · 83 citations · 11 references
MedicineClinical SciencesInternal MedicineDiagnostic AssessmentPulmonologyTest DevelopmentChronic Obstructive Pulmonary DiseaseLung VolumesObstructive Lung DiseasePulmonary AssessmentPulmonary Function AssessmentRespiratory AssessmentChronic Obstructive Pulmonary Disease AssessmentChronic Obstructive Pulmonary Disease SpirometryCopd Symptom ManagementPulmonary Obstruction AssessmentPulmonary Symptom Assessment
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Coefficient Alpha and the Internal Structure of Tests
Lee J. Cronbach · Psychometrika · 1951 · 43.2K citations · Full text
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D Wild, Alyson Grove, Mona Martin et al. · Value in Health · 2005 · 5.4K citations · Full text
Development and first validation of the COPD Assessment Test
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