@misc{indiciae02e9d92fcb10,
  title = {[Exercise electrocardiography in left ventricular hypertrophy].},
  author = {G Willems and H Klepzig and D Willems},
  year = {1971},
  url = {https://pubmed.ncbi.nlm.nih.gov/4255119/},
  note = {Source identifier: 4255119}
}