B. V. Thanh, L. D. Ngoc Anh, B. V. Huong, and N. T. Hai, “Constituents of essential oil from the stem of Schisandra perulata Gagnep. collected in Bat Xat district, Lao Cai province”, AJB, vol. 35, no. 4, pp. 435–438, Dec. 2013.