Crossing the upper limit: esophageal stenting in the proximal esophagus.

@article{Gislason1997CrossingTU,
  title={Crossing the upper limit: esophageal stenting in the proximal esophagus.},
  author={G T Gislason and Pankaj Jay Pasricha},
  journal={Dysphagia},
  year={1997},
  volume={12 2},
  pages={84-5}
}