[Paradoxical hilus sign, report of 2 cases].

@article{Okimura1970ParadoxicalHS,
  title={[Paradoxical hilus sign, report of 2 cases].},
  author={Tomoko Okimura and K Omizo and S. -C. Chin and S Kaii and N Tatsui},
  journal={Rinsho hoshasen. Clinical radiography},
  year={1970},
  volume={15 6},
  pages={440-4}
}