@misc{indiciaead64c5e4e586,
  title = {Maurice Campbell.},
  author = {K S Smith},
  year = {1973},
  doi = {10.1136/hrt.35.11.1202},
  url = {https://pubmed.ncbi.nlm.nih.gov/4586633/},
  note = {Source identifier: 4586633}
}