@article{porfírio_fanaro_2016,  title={Collagen supplementation as a complementary therapy for the prevention and treatment of osteoporosis and osteoarthritis: a systematic review},  volume={19},  ISSN={1809-9823},  url={https://doi.org/10.1590/1809-9823.2016.14145},  DOI={10.1590/1809-9823.2016.14145},  number={1},  journal={Revista Brasileira de Geriatria e Gerontologia},  publisher={Universidade do Estado do Rio Janeiro},  author={Porfírio, Elisângela and Fanaro, Gustavo Bernardes},  year={2016},  month={Jan},  pages={153–164} }