D. Satria, J. Silalahi, G. Haro, S. Ilyas, and P. A. Z. Hasibuan, “Cytoprotective Activity of Ethylacetate Fraction of Picria fel-terrae Lour. Herbs”, Open Access Maced J Med Sci, vol. 7, no. 22, pp. 3865–3867, Nov. 2019.