@misc{indiciaef0affe40201e,
  title = {Primary osteoporosis.},
  author = {A M Parfitt},
  year = {1980},
  doi = {10.1016/s0140-6736(80)91273-8},
  url = {https://pubmed.ncbi.nlm.nih.gov/6103194/},
  note = {Source identifier: 6103194}
}