1H-NMR-based metabolic profiling of healthy individuals and high-resolution CT-classified phenotypes of COPD with treatment of tiotropium bromide
Li-Chuan Tan,1 Wen-Jie Yang,2 Wei-Ping Fu,1 Ping Su,2 Jing-Kui Shu,1 Lu-Ming Dai1 1Department of Respiratory and Critical Care Medicine, First Affiliated Hospital of Kunming Medical University, Kunming 650032, People’s Republic of China; 2Department of Respiratory, Baoshan People’s Hospital, Baoshan 678000, People’s Republic of Ch