Dietary nitrate and nitrite levels in an endemic upper gastrointestinal (esophageal and gastric) cancer region of Turkey

Yüzüncü Yıl Üniversitesi Tıp Fakültesi İç Hastalıkları Anabilim Dalı, Van

Yüzüncü Yıl Üniversitesi Veteriner Fakültesi Biyokimya Anabilim Dalı, Van

Y.Y.Ü Tıp Fakültesi İç Hastalıkları Gastroenteroloji ABD, Van

Department of Biometry and Genetics, Faculty of Agriculture, Yüzüncü Yıl University School of Medicine, Van

Departments of Gastroenterology and Internal Medicine, Göztepe Training and Research Hospital and Department of Pathology

Department of Microbiology, Yüzüncü Yıl University School of Medicine