@article{souza_cavalcante_castro-silva_silva_souza filho_2021,  title={Poultry by-products as source of collagen, nanokeratin and bioapatite for biomedical use},  volume={52},  ISSN={1806-6690},  url={https://doi.org/10.5935/1806-6690.20210049},  DOI={10.5935/1806-6690.20210049},  number={4},  journal={Revista Ciência Agronômica},  publisher={Universidade Federal do Ceará},  author={Souza, Francisco Fábio Pereira de and Cavalcante, Fabio Lima and Castro-Silva, Igor Iuco and Silva, André Luis Coelho da and Souza Filho, Men de Sá Moreira de},  year={2021},  pages={e20207565} }