E. J. Anto, A. Lelo, S. Ilyas, and M. Nainggolan, “Effect of Ethanol Extract and Ethyl Acetate Fraction of Betel Nut (Areca catechu L.) in Colonic Goblet Cells of Mice (Mus musculus) Given Orally Infective Egg of Trichuris muris”, Open Access Maced J Med Sci, vol. 8, no. B, pp. 637–642, Aug. 2020.