@article{silva_silva neto_veiga_schnaider_ferreira_2015,  title={Portland cement <i>versus</i> MTA as a root-end filling material. A pilot
                  study},  volume={30},  ISSN={0102-8650},  url={https://doi.org/10.1590/S0102-865020150020000011},  DOI={10.1590/S0102-865020150020000011},  number={2},  journal={Acta Cirúrgica Brasileira},  publisher={Sociedade Brasileira para o Desenvolvimento da Pesquisa em Cirurgia},  author={Silva, Sérgio Ribeiro da and Silva Neto, José Dias da and Veiga, Daniela Francescato and Schnaider, Taylor Brandão and Ferreira, Lydia Masako},  year={2015},  month={Feb},  pages={160–164} }