@misc{indiciae8f3a1dff2ef7,
  title = {[Rubella, still a problem].},
  author = {C Vermeij-Keers and J Versteeg and J Bennebroek Gravenhorst},
  year = {1977},
  url = {https://pubmed.ncbi.nlm.nih.gov/895903/},
  note = {Source identifier: 895903}
}