"Precancer" lesions in ulcerative colits. A retrospective study of rectal biopsy and colectomy specimens.

@article{Yardley1974PrecancerLI,
  title={"Precancer" lesions in ulcerative colits. A retrospective study of rectal biopsy and colectomy specimens.},
  author={John H. Yardley and David F. Keren},
  journal={Cancer},
  year={1974},
  volume={34 3},
  pages={suppl:835-44}
}