Commentary: the unresolved mystery of birth-cohort phenomena in gastroenterology.

@article{Sonnenberg2002CommentaryTU,
  title={Commentary: the unresolved mystery of birth-cohort phenomena in gastroenterology.},
  author={Amnon Sonnenberg and Claudia Cucino and Peter Bauerfeind},
  journal={International journal of epidemiology},
  year={2002},
  volume={31 1},
  pages={23-6}
}