@misc{indiciae6908d147e3a2,
  title = {The U loop in the vectorcardiogram with the Frank system.},
  author = {S Toyama and K Suzuki},
  year = {1966},
  doi = {10.1536/ihj.7.269},
  url = {https://pubmed.ncbi.nlm.nih.gov/5296260/},
  note = {Source identifier: 5296260}
}