@misc{indiciaeb10bcc708784,
  title = {A clinically useful coding system for normal coronary artery anatomy.},
  author = {W V Vieweg and D C Smith and A D Hagan},
  year = {1975},
  doi = {10.1002/ccd.1810010206},
  url = {https://pubmed.ncbi.nlm.nih.gov/1083294/},
  note = {Source identifier: 1083294}
}