@misc{indiciae2c23b6e651d2,
  title = {Systolic murmurs.},
  author = {R SHABETAI and W J MARSHALL},
  year = {1963},
  doi = {10.1016/0002-8703(63)90017-6},
  url = {https://pubmed.ncbi.nlm.nih.gov/13988313/},
  note = {Source identifier: 13988313}
}