YILMAZ, M.; AYDIN, A.; UNGAN, M.; GÜNŞAR, F.; ERSÖZ, G.; ÖZÜTEMİZ, Ömer; AKARCA, U.; ÇAVUŞOĞLU, H. The Relationship Between CagA Positivity and Serum Gastrin and TNF- Alpha Levels in Patients With Chronic Active Gastritis and Duodenal Ulcer Associated With Helicobacter Pylori. Turkish Journal of Gastroenterology 1999, 10, 385-390.