@article{rubert_higa_farias_2016,  title={Comparison between open and laparoscopic elective cholecystectomy in elderly, in a teaching hospital},  volume={43},  ISSN={0100-6991},  url={https://doi.org/10.1590/0100-69912016001002},  DOI={10.1590/0100-69912016001002},  number={1},  journal={Revista do Colégio Brasileiro de Cirurgiões},  publisher={Colégio Brasileiro de Cirurgiões},  author={Rubert, Cássio Padilha and Higa, Roberta Alves and Farias, Fabiano Vilas Boas},  year={2016},  month={Jan},  pages={02–05} }