Effect of Tanreqing Injection in various formula compatibilities on pharmacokinetics of main components Determination of Ursodeoxycholic Acid and Chenodeoxycholic Acidin Chinese Medicinal Compound Preparations by TLC-densitometry In vivo pharmacokinetics of major bioactive components from Tanreqing Injection in rats Determination of chyodeoxycholic acid in Bile Arisaema by HPLC-ELSD Rapid identification of two new isomers in bear bile powder by LC-Q-TOF-MS combined with PCC oxidation Determination of tauroursodeoxycholic acid in compound bile capsule by HPLC Epicatechin abolished TDCA-induced apoptosis in Huh7 cell by inhibiting Bax, p38 MAPK and ROS production HPTLC Densitometric Determination of Free Bile Acids in Bezoar Synthesis and identification of artificial antigen of hyodeoxycholic acid