@misc{indiciae075473f2b310,
  title = {Fine structure of the bundle-branches.},
  author = {T N James and L Sherf and F Urthaler},
  year = {1974},
  doi = {10.1136/hrt.36.1.1},
  url = {https://pubmed.ncbi.nlm.nih.gov/4818138/},
  note = {Source identifier: 4818138}
}