@article{alakuş_peker_2021,  title={Is combined rather than single antibiotic therapy actually reasonable in patients with acute calculous cholecystitis?},  volume={67},  ISSN={0104-4230},  url={https://doi.org/10.1590/1806-9282.20210560},  DOI={10.1590/1806-9282.20210560},  number={8},  journal={Revista da Associação Médica Brasileira},  publisher={Associação Médica Brasileira},  author={Alakuş, Ümit and Peker, Yaşar Subutay},  year={2021},  month={Aug},  pages={1155–1160} }