@misc{indiciaeae1dd75941f5,
  title = {Smallpox inoculation in Africa.},
  author = {E W Herbert},
  year = {1975},
  doi = {10.1017/s0021853700014547},
  url = {https://pubmed.ncbi.nlm.nih.gov/11636788/},
  note = {Source identifier: 11636788}
}