@misc{indiciaed61939252b51,
  title = {Enzyme activity determinations in bone and cartilage.},
  author = {A Delbrück},
  year = {1970},
  doi = {10.1159/000458350},
  url = {https://pubmed.ncbi.nlm.nih.gov/4313120/},
  note = {Source identifier: 4313120}
}