@misc{indiciaeec1111f191df,
  title = {Changes in axial bone density with age: a twin study.},
  author = {P J Kelly and T Nguyen and J Hopper and N Pocock and P Sambrook and J Eisman},
  year = {1993},
  doi = {10.1002/jbmr.5650080103},
  url = {https://pubmed.ncbi.nlm.nih.gov/8427043/},
  note = {Source identifier: 8427043}
}