Original Research

Critical Inhaler Handling Error Is an Independent Risk Factor for Frequent Exacerbations of Chronic Obstructive Pulmonary Disease: Interim Results of a Single Center Prospective Study

Ahn JH, Chung JH, Shin KC, Choi EY, Jin HJ, Lee MS, Nam MJ, Lee KH

International Journal of Chronic Obstructive Pulmonary Disease 2019, 14:2767-2775

Published Date: 2 December 2019