@misc{indiciaec428820928a3,
  title = {Immunisation: failure and success.},
  author = {R S Ramaiah},
  year = {1989},
  doi = {10.1136/bmj.299.6709.1220},
  url = {https://pubmed.ncbi.nlm.nih.gov/2513069/},
  note = {Source identifier: 2513069}
}