Identification and characterization of chemical constituents in Qi-Lin pills and their metabolites in rat bio-samples after oral administration using ultra-high performance liquid chromatography with quadrupole time-of-flight mass spectrometry - Tang, X Y; Zeng, J X; Dai, Z Q; Chen, M H; Ye, M N; Yao, Z H; Dai, Y; Yao, X S (J Pharm Biomed Anal, 2020)