@misc{indiciaecff0754ce30e,
  title = {Hepatitis: definitions amplified.},
  author = {B S Mittler and H Popper and F Schaffner},
  year = {1971},
  doi = {10.1056/nejm197107222850417},
  url = {https://pubmed.ncbi.nlm.nih.gov/5087730/},
  note = {Source identifier: 5087730}
}