@misc{indiciaea729ae2780ea,
  title = {Preparative work on pepsin-digested denatured collagen.},
  author = {K Lampiaho and A Kari and T Hollmén and J Pikkarainen and E Kulonen},
  year = {1967},
  url = {https://pubmed.ncbi.nlm.nih.gov/4860469/},
  note = {Source identifier: 4860469}
}