@misc{indiciaefb2a9630d394,
  title = {Encephalitis due to ECHO virus type 9.},
  author = {H N Madhavan and S Chandrasekaran and S Srinivas and S C Agarwal},
  year = {1973},
  url = {https://pubmed.ncbi.nlm.nih.gov/4756872/},
  note = {Source identifier: 4756872}
}