Thoan, N., 		Hung, B., 		Ly, N., & 		Thuong, P.
2017 Jun 14.  Development of a Method for Qualitative and Quantitative Analysis of the Compound ent-7-hydroxy-15-oxokaur-16-en-18-yl Acetate in the Medicinal Material Crotonis Tonkinensis. VNU Journal of Science: Medical and Pharmaceutical Sciences. [Online] 33:1