@article{sabbag_blitzckow_2017,  title={ALTERNATIVE TECHNIQUE FOR CHOLECYSTECTOMY COMPARABLE TO SINGLE PORT},  volume={30},  ISSN={0102-6720},  url={https://doi.org/10.1590/0102-6720201700010015},  DOI={10.1590/0102-6720201700010015},  number={1},  journal={ABCD. Arquivos Brasileiros de Cirurgia Digestiva (São Paulo)},  publisher={Colégio Brasileiro de Cirurgia Digestiva},  author={SABBAG, Carlos and BLITZCKOW, Ana},  year={2017},  month={Jan},  pages={53–55} }