@misc{indiciaeefda25aafe24,
  title = {Complexes of heparin with elastomeric positive polyelectrolytes.},
  author = {S P Yen and A Rembaum},
  year = {1971},
  doi = {10.1002/jbm.820050210},
  url = {https://pubmed.ncbi.nlm.nih.gov/5575331/},
  note = {Source identifier: 5575331}
}