@article{doi:, author = {Akkan Çetinkaya, Züleyha and Sezikli, Mesut and Bünül, Fatih and Şirin, Göktuğ}, title = {A Revision of Patients Who Underwent Gastroscopy Because Of Non-Variceal Upper Gastrointestinal Bleeding In The Last Year}, journal = {Kocaeli Med J}, volume = {2}, number = {1}, pages = {11-14}, year = {2013}, doi = {}, note ={doi: }, URL = {https://dx.doi.org/}, eprint = {https://dx.doi.org/} }