[1]
N. OKÇU, M. D. ONUK, T. BURAN, E. AKARSU, and M. A. ÇİFTLİOĞLU, “FREQUANCY OF HELICOBACTER PYLORI IN CASES WITH NONSPESIFIC GASTRITIS IN ERZURUM REGION”, Turkish Journal of Gastroenterology, vol. 5, no. 2, pp. 211–213, Jan. 1994.