Original Research

Characteristics of COPD patients according to GOLD classification and clinical phenotypes in the Russian Federation: the SUPPORT trial

Arkhipov V, Arkhipova D, Miravitlles M, Lazarev A, Stukalina E

International Journal of Chronic Obstructive Pulmonary Disease 2017, 12:3255-3262

Published Date: 3 November 2017