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Incidence and Impact of Upper Airway Symptoms in Patients With Chronic Obstructive Pulmonary Disease
Frecuencia e impacto de los síntomas de las vías respiratorias superiores en pacientes con enfermedad pulmonar obstructiva crónica
Avi Kumar, Shekhar Kunal, Ashok Shah
Corresponding author
Department of Pulmonary Medicine, Vallabhbhai Patel Chest Institute, University of Delhi, Delhi, India