@misc{indiciaeef9904cb2fc5,
  title = {Passive protection against rubella.},
  author = {H WARD and G PARKER},
  year = {1956},
  doi = {10.5694/j.1326-5377.1956.tb49367.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/13308518/},
  note = {Source identifier: 13308518}
}