@misc{indiciaea31207516978,
  title = {Keys to using the heparin lock.},
  author = {R Kimmell},
  year = {1974},
  doi = {10.1097/00152193-197411000-00011},
  url = {https://pubmed.ncbi.nlm.nih.gov/4497059/},
  note = {Source identifier: 4497059}
}