@misc{indiciaeefc014250c64,
  title = {Malaria. Variation and vaccination.},
  author = {F E Cox},
  year = {1991},
  doi = {10.1038/349193a0},
  url = {https://pubmed.ncbi.nlm.nih.gov/1987471/},
  note = {Source identifier: 1987471}
}