Images in emergency medicine. Cullen's sign and Grey-Turner's sign.

@article{Bonani2008ImagesIE,
  title={Images in emergency medicine. Cullen's sign and Grey-Turner's sign.},
  author={Marco G Bonani and Daniel Franz{\'e}n and Pablo Anabitarte},
  journal={Annals of emergency medicine},
  year={2008},
  volume={51 4},
  pages={448, 458}
}