@article{alves_goulart_ladeira_oliveira_benseñor_2016,  title={Frequency of cholecystectomy and associated sociodemographic and clinical risk factors in the ELSA-Brasil study},  volume={134},  ISSN={1516-3180},  url={https://doi.org/10.1590/1516-3180.2015.0250130216},  DOI={10.1590/1516-3180.2015.0250130216},  number={3},  journal={Sao Paulo Medical Journal},  publisher={Associação Paulista de Medicina - APM},  author={Alves, Kamila Rafaela and Goulart, Alessandra Carvalho and Ladeira, Roberto Marini and Oliveira, Ilka Regina Souza de and Benseñor, Isabela Martins},  year={2016},  month={May},  pages={240–250} }