@article{cunha_rached jr_alfredo_león_perez_2011,  title={Biocompatibility of sealers used in apical surgery: a histological study in rat subcutaneous tissue},  volume={22},  ISSN={0103-6440},  url={https://doi.org/10.1590/S0103-64402011000400007},  DOI={10.1590/S0103-64402011000400007},  number={4},  journal={Brazilian Dental Journal},  publisher={Fundação Odontológica de Ribeirão Preto},  author={Cunha, Suely Aparecida and Rached Jr, Fuad Jacob Abi and Alfredo, Edson and León, Jorge Esquiche and Perez, Danyel Elias da Cruz},  year={2011},  pages={299–305} }