“Investigation of Infection of Intestinal Parasites Entamoeba Histolytica and Giardia Lamblia Among Patients Which Attending of the Health Centers of Gharraf City Thi- Qar Province”. University of Thi-Qar Journal of Science, vol. 6, no. 3, Dec. 2017, pp. 25-29, https://doi.org/10.32792/utq/utjsci/v6i3.28.