YANG Xu, ZHU Ya-zhu, ZHANG Yu-ting, HUANG Wei-jie, CAO Min, LI Ji-hong . Establishment of LC-MS/MS isotope internal standard method for simultaneous determination of erythromycin ethylsuccinate and its active metabolites in plasma and pharmacokinetic study[J]. Chinese Journal of Pharmaceutical Analysis, 2019 , 39(10) : 1863 -1869 . DOI: 10.16155/j.0254-1793.2019.10.16