“Investigation of in Vitro Amoebicidal Activities of Ornithogalum Sigmoideum on Acanthamoeba Castellanii Cysts and Trophozoites ”. Annals of Medical Research, vol. 25, no. 4, May 2021, pp. 0709-15, http://annalsmedres.org/index.php/aomr/article/view/1098.