1. Surveillance for water- borne disease outbreaks-United States, 1977-1998;Barwick;Morb. Mortal. Wkly. Rep. CDC Surveill. Summ.,2000
2. Acute diarrhea: a practical review;Aranda-Michel;Am. J. Med.,1999
3. Giardia lamblia infection in patients with Irritable bowel syndrome and dyspepsia;Graziolo;J. World Gastroenterol.,2006
4. Biology of Giardia lamblia;Adam;Clin. Microbial. Rev.,2001
5. Intestinal parasites in Baghdad: a survey in two districts;AL-Jeboori;J. Fac. Med. Baghdad,1976