@misc{indiciae8cb033ac6281,
  title = {[4199 biopsies from the endoscopic normal lower duodenum].},
  author = {S Walker and U Rühl},
  year = {2003},
  doi = {10.1055/s-2003-36674},
  url = {https://pubmed.ncbi.nlm.nih.gov/12541178/},
  note = {Source identifier: 12541178}
}