Gui, Y; Tsao, R; Li, L; Liu, C. M; Wang, J; Zong, X (). „Preparative separation of chromones in plant extract of Saposhnikovia divaricata by high-performance counter-current chromatography”. Journal of Separation Science. 34 (5): 520–6. doi:10.1002/jssc.201000721. PMID21280212.
Gui, Y; Tsao, R; Li, L; Liu, C. M; Wang, J; Zong, X (). „Preparative separation of chromones in plant extract of Saposhnikovia divaricata by high-performance counter-current chromatography”. Journal of Separation Science. 34 (5): 520–6. doi:10.1002/jssc.201000721. PMID21280212.