A precolumn derivatization high-performance liquid chromatographic method with improved sensitivity and specificity for the determination of astragaloside IV in Radix astragali
Mc. Yao et al., A precolumn derivatization high-performance liquid chromatographic method with improved sensitivity and specificity for the determination of astragaloside IV in Radix astragali, J CHROM SCI, 38(8), 2000, pp. 325-328