@misc{indiciaecdc0f39cbc68,
  title = {Sickness certification in general practice: a review.},
  author = {G Tellnes},
  year = {1989},
  doi = {10.1093/fampra/6.1.58},
  url = {https://pubmed.ncbi.nlm.nih.gov/2653939/},
  note = {Source identifier: 2653939}
}