Original Research

Asthma-chronic obstructive pulmonary disease overlap syndrome in the urban Chinese population: prevalence and disease burden using the 2010, 2012, and 2013 China National Health and Wellness Surveys

Ding B, DiBonaventura M, Karlsson N, Ling X

International Journal of Chronic Obstructive Pulmonary Disease 2016, 11:1139-1150

Published Date: 9 June 2016