@misc{indiciaee40d037d29f9,
  title = {Normal long axis function.},
  author = {M Y Henein and D G Gibson},
  year = {1999},
  doi = {10.1136/hrt.81.2.111},
  url = {https://pubmed.ncbi.nlm.nih.gov/9922343/},
  note = {Source identifier: 9922343}
}