Angiographic demonstration of extracardial anastomoses to the coronary arteries.

@article{Bjrk1966AngiographicDO,
  title={Angiographic demonstration of extracardial anastomoses to the coronary arteries.},
  author={Lennart Bj{\"o}rk},
  journal={Radiology},
  year={1966},
  volume={87 2},
  pages={274-7}
}