@misc{indiciae8f29e4d19ffd,
  title = {Kidney stone matrix. Differences in acidic protein composition.},
  author = {A R Spector and A Gray and E L Prien},
  year = {1976},
  url = {https://pubmed.ncbi.nlm.nih.gov/1270232/},
  note = {Source identifier: 1270232}
}