Studies on bioassay-guided anti-inflammatory fraction in bark of Albizia julibrissin combined determination with LC-MS-MS Analysis of chemical constituents of anti-myocardial ischemia fraction of Corydalis yanhusuo Pharmacokinetics of three alkaloids in Huanglianjiedu dcoction in  rat serum by LC-MS-MS Determination of plasma concentration of cinnamic acid by LC-MS-MS and study of pharmacokinetics in healthy volunteers after Mailuoning injection Simultaneous determination of ten bioactive constituents in Lonicerae Flos by HPLC-MS-MS Determination of plasma protein binding rate of methyl protodioscin with ultrafiltration Quantitative analysis of adenosine and cordycepin in Cordyceps sinensis and its substitutes with LC-MS-MS Study on the metabolism of the precipitation of Xiexin decoction in rats Ⅰ