Genetic heterogeneity in ulcerative colitis.

@article{Lashner1994GeneticHI,
  title={Genetic heterogeneity in ulcerative colitis.},
  author={Bret A. Lashner},
  journal={The American journal of gastroenterology},
  year={1994},
  volume={89 11},
  pages={1927-8}
}