@misc{indiciaefd739978aa70,
  title = {[Left branch block. Recent acquisitions and unsolved problems].},
  author = {G Morace and F Franchi and F Fantini},
  year = {1973},
  url = {https://pubmed.ncbi.nlm.nih.gov/4801107/},
  note = {Source identifier: 4801107}
}