@misc{indiciae266966258d7b,
  title = {Calcium metabolism in microgravity.},
  author = {M Heer and N Kamps and C Biener and C Korr and A Boerger and A Zittermann and P Stehle and C Drummer},
  year = {1999},
  url = {https://pubmed.ncbi.nlm.nih.gov/10477499/},
  note = {Source identifier: 10477499}
}