@article{constantine katsanoulas2007barium,
  title={Severe barium sulphate aspiration: a report of two cases and review of the literature},
  author={constantine katsanoulas,maria passakiotou,eleni mouloudi,vassiliki georgopoulou,nikoletta gritsi-gerogianni},
  journal={Signa Vitae},
  volume={2},
  number={1},
  pages={25--28},
  doi = {10.22514/SV21.042007.6},
  year={2007}
}