@misc{indiciae4c3be889d96b,
  title = {Heparin structure.},
  author = {B Casu},
  year = {1990},
  doi = {10.1159/000216162},
  url = {https://pubmed.ncbi.nlm.nih.gov/2083874/},
  note = {Source identifier: 2083874}
}