@misc{indiciae38e86c356391,
  title = {Heartvector and leads.},
  author = {H C BURGER and A van BRUMMELEN and van HERPEN},
  year = {1961},
  doi = {10.1016/0002-8703(61)90601-9},
  url = {https://pubmed.ncbi.nlm.nih.gov/13689002/},
  note = {Source identifier: 13689002}
}