@misc{indiciae19cd5b308110,
  title = {Haemolytic streptococcus group R infection.},
  author = {O Koldkjaer and G Nielsen},
  year = {1972},
  doi = {10.1136/bmj.3.5829.765},
  url = {https://pubmed.ncbi.nlm.nih.gov/4672932/},
  note = {Source identifier: 4672932}
}