Comparison of disease-severity measures within severe and very severe COPD patients: results from a nationally representative chart review and patient survey

Caitlyn T. Solem(Pharmerit (United States)), Andrew F. Shorr(Washington Hospital), Sizhu Liu(Pharmerit (United States)), Xīn Gào(Qingdao University), Monica Katyal, Cynthia Macahilig, Shawn X. Sun(Forest Research Institute)
International Journal of COPD
September 1, 2014
Cited by 2


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