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Differential Effect of Modified Medical Research Council Dyspnea, COPD Assessment Test, and Clinical COPD Questionnaire for Symptoms Evaluation Within the New GOLD Staging and Mortality in COPD

Pulmonary CareAdvanced Lung DiseaseNew Gold StagingClinical Copd QuestionnaireOutcomes ResearchPulmonary MedicineCopd Assessment TestMedicinePulmonary DiseaseEmergency Medicine