@misc{indiciaef8894aa67292,
  title = {Human bone microstructure studied by collagenase etching.},
  author = {I G Mackie and M Green and H Clarke and D H Isaac},
  year = {1989},
  doi = {10.1302/0301-620x.71b3.2542341},
  url = {https://pubmed.ncbi.nlm.nih.gov/2542341/},
  note = {Source identifier: 2542341}
}