@article{zhang_peng_guo_wang_li_2019,  title={Effect of Ca Content on Properties of Extruded Mg-3Zn-0.5Sr-xCa Alloys for Medical Applications},  volume={22},  ISSN={1516-1439},  url={https://doi.org/10.1590/1980-5373-MR-2018-0013},  DOI={10.1590/1980-5373-MR-2018-0013},  journal={Materials Research},  publisher={ABM, ABC, ABPol},  author={Zhang, Yajing and Peng, Wuxian and Guo, Tingting and Wang, Yiming and Li, Shuaiping},  year={2019},  pages={e20180013} }