@misc{indiciae59a51f3800b5,
  title = {Letter: Heparin source and effect.},
  author = {E V Potter},
  year = {1974},
  doi = {10.7326/0003-4819-81-2-275\_1},
  url = {https://pubmed.ncbi.nlm.nih.gov/4846495/},
  note = {Source identifier: 4846495}
}