@misc{indiciae3699bf7df987,
  title = {Grading for angioplasty.},
  author = {W B Campbell and J R Higgins and C S Barker and P von Eichstorff and E W Fletcher},
  year = {1988},
  doi = {10.1016/s0009-9260(88)80220-4},
  url = {https://pubmed.ncbi.nlm.nih.gov/2972437/},
  note = {Source identifier: 2972437}
}