Affiliation: | 1. Department of Surgery, School of Medicine,Zonguldak Karaelmas University, Turkey 2. Department of Gastroenterology, School of Medicine, Zonguldak Karaelmas University, Kozlu-Zonguldak,Turkey 3. Department of Immunology, School of Medicine, Zonguldak Karaelmas University, Kozlu-Zonguldak,Turkey 4. Department of Pathology,School of Medicine, Zonguldak Karaelmas University, Kozlu Zonguldak, Turkey |