@misc{indiciae6771f3351ba7,
  title = {Coronary flow reserve.},
  author = {P Collins},
  year = {1993},
  doi = {10.1136/hrt.69.4.279},
  url = {https://pubmed.ncbi.nlm.nih.gov/8489855/},
  note = {Source identifier: 8489855}
}