Determination of four tanshinones in Salviae Miltiorrhizae Radix et Rhizoma with quantitative analysis of multi-components by single-marker Determination of icariin, epimendin A, epimendin B, and epimendin C in Epimedii Herba by QAMS Determination of content of Shuxuening Injection based on quantitative analysis of multi-components by single marker Determination of baicaline in Children’s Kechuan Granula by HPLC Determination of baicaline in Children’s Kechuan Granula by HPLC Determination of four tanshinones in Salviae Miltiorrhizae Radix et Rhizomawith quantitative analysis of multi-components by single-marker