@misc{indiciae212eb0579cdd,
  title = {Physical exercise as prophylaxis against involutional vertebral bone loss: a controlled trial.},
  author = {B Krølner and B Toft and S Pors Nielsen and E Tøndevold},
  year = {1983},
  doi = {10.1042/cs0640541},
  url = {https://pubmed.ncbi.nlm.nih.gov/6339154/},
  note = {Source identifier: 6339154}
}