Original Research

Differential changes in quality of life components over 5 years in chronic obstructive pulmonary disease patients

Nagai K, Makita H, Suzuki M, Shimizu K, Konno S, Ito YM, Nishimura M

International Journal of Chronic Obstructive Pulmonary Disease 2015, 10:745-757

Published Date: 10 April 2015