@misc{indiciaec56817f6f24b,
  title = {Environmental causes: viral causes.},
  author = {Heikki Hyöty},
  year = {2004},
  doi = {10.1016/j.ecl.2003.12.004},
  url = {https://pubmed.ncbi.nlm.nih.gov/15053893/},
  note = {Source identifier: 15053893}
}