@article{sun_guo_zhang_yu_sun_jin_2014,  title={BMP-2 and titanium particles synergistically activate osteoclast formation},  volume={47},  ISSN={0100-879X},  url={https://doi.org/10.1590/1414-431X20132966},  DOI={10.1590/1414-431X20132966},  number={6},  journal={Brazilian Journal of Medical and Biological Research},  publisher={Associação Brasileira de Divulgação Científica},  author={Sun, S.X. and Guo, H.H. and Zhang, J. and Yu, B. and Sun, K.N. and Jin, Q.H.},  year={2014},  month={Jun},  pages={461–469} }