[1]
Fang, L. et al. 2015. Preparative Separation and Purification of Flavonoids from Ephedra sinica Stapf. by High-Speed Counter-Current Chromatography. Asian Journal of Chemistry. 27, 2 (Jan. 2015), 517–520. DOI:https://doi.org/10.14233/ajchem.2015.17007.