@misc{indiciaea956985211d0,
  title = {Determination of hydroxyproline.},
  author = {H Stegemann and K Stalder},
  year = {1967},
  doi = {10.1016/0009-8981(67)90167-2},
  url = {https://pubmed.ncbi.nlm.nih.gov/4864804/},
  note = {Source identifier: 4864804}
}