@ARTICLE{Siek_D._Bioactivity_2013, author={Siek, D. and Czechowska, J. and Mróz, W. and Zima, A. and Burdyńska, S. and Załęczny, R. and Ślósarczyk, A.}, volume={61}, number={No 2}, journal={Bulletin of the Polish Academy of Sciences Technical Sciences}, pages={433-439}, howpublished={online}, year={2013}, title={Bioactivity of cement type bone substitutes}, URL={http://journals.pan.pl/Content/83715/PDF/16_paper.pdf}, doi={10.2478/bpasts-2013-0042}, }