@misc{indiciae273a2faecec4,
  title = {GI Epidemiology: databases for epidemiological studies.},
  author = {J A Davila and H B El-Serag},
  year = {2007},
  doi = {10.1111/j.1365-2036.2006.03207.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/17229241/},
  note = {Source identifier: 17229241}
}