Real-time endoscopic ultrasound-guided fine-needle aspiration of a mediastinal lymph node.

@article{Wiersema1993RealtimeEU,
  title={Real-time endoscopic ultrasound-guided fine-needle aspiration of a mediastinal lymph node.},
  author={Maurits J. Wiersema and Michael L. Kochman and Amitabh Chak and Harvey M. Cramer and Kenneth A. Kesler},
  journal={Gastrointestinal endoscopy},
  year={1993},
  volume={39 3},
  pages={429-31}
}