@misc{indiciae52f7f3b4051d,
  title = {Absence status.},
  author = {M Graf and E Sluga and A Lischka},
  year = {1993},
  doi = {10.1212/wnl.43.2.452-b},
  url = {https://pubmed.ncbi.nlm.nih.gov/8437725/},
  note = {Source identifier: 8437725}
}