@misc{indiciae500c455988da,
  title = {Viral valvulitis.},
  author = {G E Burch and H L Colcolough},
  year = {1969},
  doi = {10.1016/0002-8703(69)90266-x},
  url = {https://pubmed.ncbi.nlm.nih.gov/4978506/},
  note = {Source identifier: 4978506}
}