Nonpenetrating wounds of the heart and great vessels.

@article{Symbas1971NonpenetratingWO,
  title={Nonpenetrating wounds of the heart and great vessels.},
  author={Panagiotis N. Symbas},
  journal={Journal of the Medical Association of Georgia},
  year={1971},
  volume={60 3},
  pages={95-6}
}