Prevalence of chronic obstructive pulmonary disease (COPD) in China in 1990 and 2010

Kit Yee Chan, Xue Li, Wanjing Chen, Peige Song, Nuen Wing Katy Wong, Adrienne N Poon, Wenyan Jian, Ireneous Y Soyiri, Simon Cousens, Davies Adeloye, Aziz Sheikh, Harry Campbell, Igor Rudan