Reproducibility of the NMR-based quantitative metabolomics and HBV-caused changes in human serum lipoprotein subclasses and small metabolites - Qingxia Huang; Qinsheng Chen; Xiaoxuan Yi; Huan Wang; Qi Wang; Haijuan Zhi; Junfang Wu; Dao Wen Wang; Huiru Tang (Journal of Pharmaceutical Analysis)