@misc{indiciae69ad13e9af08,
  title = {Persistent infections caused by Borna virus.},
  author = {A Mayr and K Danner},
  year = {1974},
  doi = {10.1007/bf01642023},
  url = {https://pubmed.ncbi.nlm.nih.gov/4601953/},
  note = {Source identifier: 4601953}
}