Peritoneal-pericardial diaphragmatic hernia.

@article{Bistner1967PeritonealpericardialDH,
  title={Peritoneal-pericardial diaphragmatic hernia.},
  author={S I Bistner and W. Barkley Butler},
  journal={Journal of the American Veterinary Medical Association},
  year={1967},
  volume={151 2},
  pages={235-6}
}