@misc{indiciaebaa55f5480c6,
  title = {The rubella immunity gap.},
  author = {J A Loring},
  year = {1979},
  doi = {10.1016/s0140-6736(79)92030-0},
  url = {https://pubmed.ncbi.nlm.nih.gov/87852/},
  note = {Source identifier: 87852}
}