@article{ferreira_louro_costa_campos_silva_2016,  title={Ostrich eggshell as calcium source for the synthesis of hydroxyapatite and hydroxyapatite partially substituted with zinc},  volume={62},  ISSN={0366-6913},  url={https://doi.org/10.1590/0366-69132016623642002},  DOI={10.1590/0366-69132016623642002},  number={364},  journal={Cerâmica},  publisher={Associação Brasileira de Cerâmica},  author={Ferreira, J. R. M. and Louro, L. H. L. and Costa, A. M. and Campos, J. B. de and Silva, M. H. Prado da},  year={2016},  month={Oct},  pages={386–391} }