@misc{indiciae7ba141953547,
  title = {Dynamic exercise echocardiography.},
  author = {Y Sugishita and S Koseki},
  year = {1979},
  doi = {10.1161/01.cir.60.4.743},
  url = {https://pubmed.ncbi.nlm.nih.gov/476877/},
  note = {Source identifier: 476877}
}