@article{doi:,
author = {Erdem, Ergün and Sungurtekin, Uğur and Neşşar, Mehmet},
title = {Our Conversion Cases Of Laparoscopic Cholecystectomy And The Related Risk Factors},
journal = {Laparosc Endosc Surg Sci },
volume = {4},
number = {4},
pages = {206-209},
year = {1997},
doi = {},
note ={doi: },

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