G. Geremedhin, D. Bisrat, and K. Asres, “Isolation, Characterization and <i>In Vivo</i> Antimalarial Evaluation of Anthrones from the Leaf Latex of <i>Aloe percrassa</i> Todaro”, JNR, vol. 14, no. 2, pp. 119–125, Jul. 2014.