@misc{indiciae1dba9dd57dd7,
  title = {A. G. Gibson.},
  author = {M CAMPBELL},
  year = {1951},
  doi = {10.1136/hrt.13.2.255},
  url = {https://pubmed.ncbi.nlm.nih.gov/14821210/},
  note = {Source identifier: 14821210}
}