@misc{indiciaed5f0160f2061,
  title = {Prophylaxis against streptococcal endocarditis.},
  year = {1981},
  doi = {10.1038/sj.bdj.4804591},
  url = {https://pubmed.ncbi.nlm.nih.gov/6940607/},
  note = {Source identifier: 6940607}
}