@misc{indiciaec071c329f414,
  title = {The spatial QRS loop in right ventricular hypertrophy with special reference to the initial component.},
  author = {N O FOWLER and R A HELM},
  year = {1953},
  doi = {10.1161/01.cir.7.4.573},
  url = {https://pubmed.ncbi.nlm.nih.gov/13033083/},
  note = {Source identifier: 13033083}
}