Original Research

Categorization of COPD patients in Turkey via GOLD 2013 strategy document: ALPHABET study

Gunen H, Yilmaz M, Aktas O, Ergun P, Ortakoylu MG, Demir A, Cetinkaya P, Gurgun A, Otlu M, Cilli A, Yilmaz U, Kokturk N, Candemir I, Yakar HI, Ar I, Konya A

International Journal of Chronic Obstructive Pulmonary Disease 2015, 10:2485-2494

Published Date: 13 November 2015