@misc{indiciae3d0448b12b5b,
  title = {The normal systolic murmur.},
  author = {D GROOM and W CHAPMAN and W W FRANCIS and A BASS and Y T SIHVONEN},
  year = {1960},
  doi = {10.7326/0003-4819-52-1-134},
  url = {https://pubmed.ncbi.nlm.nih.gov/13829555/},
  note = {Source identifier: 13829555}
}