@misc{indiciaec57da3847b17,
  title = {Hepatitis A virus.},
  author = {M Roggendorf and F Deinhardt and V Gauss-Müller and K von der Helm and M von Pettenkofer},
  year = {1983},
  url = {https://pubmed.ncbi.nlm.nih.gov/6322198/},
  note = {Source identifier: 6322198}
}