@misc{indiciae19ff9f4a6ff8,
  title = {A complex matter.},
  author = {D G Julian},
  year = {1984},
  doi = {10.1093/oxfordjournals.eurheartj.a061699},
  url = {https://pubmed.ncbi.nlm.nih.gov/6204872/},
  note = {Source identifier: 6204872}
}