@article{doi:,
author = {Türkdoğan, M. K. and Hekim, H. and Tuncer, İ. and Aksoy, H.},
title = {The epidemiological and endoscopic aspects of peptic ulcer disease in Van region},
journal = {Eastern J Med},
volume = {4},
number = {1},
pages = {6-9},
year = {1999},
doi = {},
note ={doi: },

URL = {https://dx.doi.org/},
eprint = {https://dx.doi.org/}
}