@misc{indiciae0a951387e84e,
  title = {Nutcracker, neurosis, or sampling bias?},
  author = {R M Valori},
  year = {1990},
  doi = {10.1136/gut.31.7.736},
  url = {https://pubmed.ncbi.nlm.nih.gov/2196206/},
  note = {Source identifier: 2196206}
}