@misc{indiciae1737a372a43c,
  title = {Bone mineral content and physical activity.},
  author = {N Dalén and K E Olsson},
  year = {1974},
  doi = {10.3109/17453677408989136},
  url = {https://pubmed.ncbi.nlm.nih.gov/4406972/},
  note = {Source identifier: 4406972}
}