Bronchopulmonary segments and variations in pulmonary vascular patterns.

@article{Appleton1948BronchopulmonarySA,
  title={Bronchopulmonary segments and variations in pulmonary vascular patterns.},
  author={Arthur B Appleton},
  journal={Wisconsin medical journal},
  year={1948},
  volume={47 12},
  pages={1185}
}