@misc{indiciae3f6fbd8b2785,
  title = {Polymeric collagen.},
  author = {D C Macmillan and M J Francis},
  year = {1973},
  doi = {10.1111/j.1365-2133.1973.tb07553.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/4576463/},
  note = {Source identifier: 4576463}
}