@misc{indiciaee89544714113,
  title = {New EKG changes in rheumatic carditis.},
  author = {A Ikawa and T Asai and S Kusakawa},
  year = {1979},
  doi = {10.1253/jcj.43.476},
  url = {https://pubmed.ncbi.nlm.nih.gov/470109/},
  note = {Source identifier: 470109}
}