@misc{indiciae1d02c5f2553b,
  title = {Hospitalization and presenting problems.},
  author = {B Udell and R K Hornstra},
  doi = {10.1016/s0010-440x(75)80020-4},
  url = {https://pubmed.ncbi.nlm.nih.gov/1192721/},
  note = {Source identifier: 1192721}
}