Congenital absence of a thoracic spine pedicle.

@article{Goupille1992CongenitalAO,
  title={Congenital absence of a thoracic spine pedicle.},
  author={Philippe Goupille and Bernard Fouquet and Philippe Cotty and Jean Pierre Valat},
  journal={AJR. American journal of roentgenology},
  year={1992},
  volume={158 4},
  pages={921}
}