@misc{indiciaecbeaee3417bc,
  title = {[Various unsolved questions on osteoporosis].},
  author = {A Florín Christensen and J R Zanchetta},
  year = {1994},
  url = {https://pubmed.ncbi.nlm.nih.gov/7658997/},
  note = {Source identifier: 7658997}
}