@misc{indiciaefdca6eb67423,
  title = {Detecting abnormalities in left ventricular function during exercise by respiratory measurement.},
  author = {A Koike and H Itoh and K Taniguchi and M Hiroe},
  year = {1989},
  doi = {10.1161/01.cir.80.6.1737},
  url = {https://pubmed.ncbi.nlm.nih.gov/2688975/},
  note = {Source identifier: 2688975}
}