@misc{indiciae41554a7a318d,
  title = {Osteoporosis and exercise.},
  author = {M O'Brien},
  year = {1996},
  doi = {10.1136/bjsm.30.3.191},
  url = {https://pubmed.ncbi.nlm.nih.gov/8889107/},
  note = {Source identifier: 8889107}
}