@misc{indiciae4d585e792500,
  title = {Making heterogeneous medical databases interoperable.},
  author = {M H Williams and J Hu},
  year = {1994},
  doi = {10.1016/0169-2607(94)90080-9},
  url = {https://pubmed.ncbi.nlm.nih.gov/7956170/},
  note = {Source identifier: 7956170}
}