“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”, UTJsci, vol. 6, no. 3, pp. 25–29, Dec. 2017, doi: 10.32792/utq/utjsci/v6i3.28.