@misc{indiciae87ce2f07f05a,
  title = {Pilot's hearts.},
  author = {J H McKillop and R G Murray and J G Turner},
  year = {1978},
  doi = {10.1136/bmj.1.6125.1488-b},
  url = {https://pubmed.ncbi.nlm.nih.gov/647361/},
  note = {Source identifier: 647361}
}