@article{abou-ellill_ismail_el-sharkawy_2021, 
  title={Posterior maxillary ridge augmentation with sinus lift using Mineralized Plasmatic Matrix versus Autogenous Bone Graft}, 
  volume={67}, 
  DOI={10.21608/edj.2021.64218.1518}, 
  publisher={Egypts Presidential Specialized Council for Education and Scientific Research}, 
  author={Abou-Ellill, Refaat and Ismail, Ragia and El-Sharkawy, Ahmed}, 
  year={2021}, 
  month={Apr}
  }