@misc{indiciae14b6340855cf,
  title = {Studies on the QRS-T angle.},
  author = {R A HELM and N O FOWLER},
  year = {1953},
  doi = {10.1016/0002-8703(53)90202-6},
  url = {https://pubmed.ncbi.nlm.nih.gov/13080160/},
  note = {Source identifier: 13080160}
}