Predictors of vitamin B-12 deficiency: Age and helicobacter pylori load of antral mucosa

Department of Gastroenterology, Çukurova University, School of Medicine, Adana

Çukurova Üniversitesi Tıp Fakültesi Gastroenteroloji Bilim Dalı, Tarsus

Department of Gastroenterology, Adana Baskent University Hospital, Adana

Departments of Pathology, Başkent University, Faculty of Medicine, Adana

Departments of Gastroenterology and Pathology, Başkent University Faculty of Medicine

Department of Gastroenterology, Yeditepe University Hospital, İstanbul

Department of Gastroenterology, Medicana International Ankara Hospital, Ankara

Department of Gastroenterology, Güven Hospital, Ankara