@article{tajana zah2007shock,
  title={Hemorrhagic shock as a complication of    anticoagulant therapy following the mitral valve replacement},
  author={tajana zah,višnja ivančan,dinko tonković,željko krznarić,igor klinar,višnja majerić kogler },
  journal={Signa Vitae},
  volume={2},
  number={2},
  pages={23--24},
  doi = {10.22514/SV22.102007.6},
  year={2007}
}