@misc{indiciaed740c9ec2018,
  title = {Stability of rubella complement-fixing antigens.},
  author = {N J Schmidt and E H Lennette},
  year = {1967},
  doi = {10.1128/am.15.4.916-920.1967},
  url = {https://pubmed.ncbi.nlm.nih.gov/6049308/},
  note = {Source identifier: 6049308}
}