@misc{indiciae45b8015d2774,
  title = {Problem lists in letters.},
  author = {M Rickenbach},
  year = {1993},
  doi = {10.1136/bmj.306.6877.580},
  url = {https://pubmed.ncbi.nlm.nih.gov/8461784/},
  note = {Source identifier: 8461784}
}