@misc{indiciae437014a5372b,
  title = {[Vectorcardiography in mitral insufficiency, with special reference to QRS loop].},
  author = {K Murai and Y Shimono and Y Yanaginuma and A Wakabayashi and Y Nomura},
  year = {1969},
  url = {https://pubmed.ncbi.nlm.nih.gov/5391090/},
  note = {Source identifier: 5391090}
}