Thanh, B.V., Ban, N.K. and Dai, D.N. 2012. Constituents of the stem and root essential oils of Kadsura heteroclita (Roxb.) Craib from Vinh Phuc province. Academia Journal of Biology. 33, 3 (May 2012), 58–62. DOI:https://doi.org/10.15625/0866-7160/v33n3.765.