@misc{indiciaea99331cf1e3f,
  title = {Bone mineral changes: the second manned Skylab mission.},
  author = {J M Vogel and M W Whittle},
  year = {1976},
  url = {https://pubmed.ncbi.nlm.nih.gov/1275827/},
  note = {Source identifier: 1275827}
}