@article{doi:,
author = {Kotan, Çetin and Barut, İbrahim and Kisli, Erol and Taşdemir, İshak},
title = {Comparison of drainage operations for benign biliary obstructions},
journal = {Van Med J},
volume = {5},
number = {3},
pages = {144-148},
year = {1998},
doi = {},
note ={doi: },

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