APA

Kalaf E. A., Al-Khafaji Z. M., Yassen N. Y., Al-Abbudi F. A. & Sadwen S. N. (20130924). Study of the cytoxin-associated gene a (CagA gene) in Helicobacter pylori using gastric biopsies of Iraqi patients. : Saudi journal of gastroenterology : official journal of the Saudi Gastroenterology Association.

Chicago

Kalaf Elham A, Al-Khafaji Zahra M, Yassen Nahi Y, Al-Abbudi Fadel A and Sadwen Saad N. 20130924. Study of the cytoxin-associated gene a (CagA gene) in Helicobacter pylori using gastric biopsies of Iraqi patients. : Saudi journal of gastroenterology : official journal of the Saudi Gastroenterology Association.

Harvard

Kalaf E. A., Al-Khafaji Z. M., Yassen N. Y., Al-Abbudi F. A. and Sadwen S. N. (20130924). Study of the cytoxin-associated gene a (CagA gene) in Helicobacter pylori using gastric biopsies of Iraqi patients. : Saudi journal of gastroenterology : official journal of the Saudi Gastroenterology Association.

MLA

Kalaf Elham A, Al-Khafaji Zahra M, Yassen Nahi Y, Al-Abbudi Fadel A and Sadwen Saad N. Study of the cytoxin-associated gene a (CagA gene) in Helicobacter pylori using gastric biopsies of Iraqi patients. : Saudi journal of gastroenterology : official journal of the Saudi Gastroenterology Association. 20130924.