Tree-shaped pulmonary veins in TAPVD.

@article{Stark1978TreeshapedPV,
  title={Tree-shaped pulmonary veins in TAPVD.},
  author={Jaroslav Stark and Marc R. de Leval},
  journal={The Annals of thoracic surgery},
  year={1978},
  volume={26 1},
  pages={97-8}
}