@misc{indiciaeab2a28210717,
  title = {Smallpox eradication in Rajasthan, India.},
  author = {P Singh and S Tomaszunas and E White},
  year = {1977},
  url = {https://pubmed.ncbi.nlm.nih.gov/21557/},
  note = {Source identifier: 21557}
}