2016. Isolation, Purification and Identification of Active Chemical Compound Lup-20(29)-ene-3, 28-diol (Betulin) from Tetradium daniellii Leaves and Study the hypoglycemic Effect on Rabbits. University of Thi-Qar Journal of Science. 6, 1 (Dec. 2016), 54–61. DOI:https://doi.org/10.32792/utq/utjsci/v6i1.45.