@misc{indiciae6cb98019d61e,
  title = {Rickettsial endocarditis.},
  author = {H Williams and J Knox and W Lancaster},
  year = {1968},
  doi = {10.1136/bmj.4.5627.387-a},
  url = {https://pubmed.ncbi.nlm.nih.gov/5695859/},
  note = {Source identifier: 5695859}
}