Gastroduodenal Crohn's disease in childhood.

@article{Kirschner1989GastroduodenalCD,
  title={Gastroduodenal Crohn's disease in childhood.},
  author={Barbara S. Kirschner and Eberhard Schmidt-sommerfeld and Julia Stephens},
  journal={Journal of pediatric gastroenterology and nutrition},
  year={1989},
  volume={9 2},
  pages={138-40}
}