Recommended literature and advanced courses for subspeciality education and training.

@article{Piper1989RecommendedLA,
  title={Recommended literature and advanced courses for subspeciality education and training.},
  author={David J. W. Piper and Badri Nath Tandon and R. F. Lambert and Jaan E. Sidorov and F T de Dombal},
  journal={Scandinavian journal of gastroenterology. Supplement},
  year={1989},
  volume={161},
  pages={26-8; discussion 28-9}
}