@article{genc_sulaimanov_cipe_basceken_erverdi_gurel_aras_hazinedaroglu_2011,  title={What necessitates the conversion to open cholecystectomy? A retrospective analysis of 5164 consecutive laparoscopic operations},  volume={66},  ISSN={1807-5932},  url={https://doi.org/10.1590/S1807-59322011000300009},  DOI={10.1590/S1807-59322011000300009},  number={3},  journal={Clinics},  publisher={Faculdade de Medicina / USP},  author={Genc, Volkan and Sulaimanov, Marlen and Cipe, Gokhan and Basceken, Salim Ilksen and Erverdi, Nezih and Gurel, Mehmet and Aras, Nusret and Hazinedaroglu, Selcuk M},  year={2011},  pages={417–420} }