@book{56345,
	author = {AbdUllah Yehia Salah Naiem and Essam Ezzat Ayad , },
	title = {Study of the coincidence of helicobacter pylori with carcinoma of the stomach / },
	publisher = {AbdUllah Yehia Salah Naiem , },
	year = {2002},
	address = {Cairo : },
	url = {http://172.23.153.220/th.pdf}
}