Li, Y., You, G., Duan, R., Liu, K., & Wang, D. (2013). Simultaneous Determination of Danshensu, Protocatechuic Acid, Protocatechuic Aldehyde, Rosmarinic Acid and Salvianolic Acid B in Three Processing Products of White Flower  Salvia miltiorrhiza by HPLC. Asian Journal of Chemistry, 25(17), 9558–9560. https://doi.org/10.14233/ajchem.2013.15074