EPMA Journal (2020) 11:645–659https://doi.org/10.1007/s13167-020-00227-w RESEARCHInduced sputum metabolomic profiles and oxidative stress areassociated with chronic obstructive pulmonary disease (COPD)severity: potential use for predictive, preventive,and personalized medicineTao Zhu1 & Shanqun Li2 & Jiajia Wang3 & Chunfang Liu2 & Lei Gao2 & Yuzhen Zeng2 & Ruolin Mao2 & Bo Cui2 &Hong Ji4 & Zhihong Chen2Received: 11 July 2020 / Accepted: 19 October 2020 / Publi...
