@misc{indiciaedb083769ea0a,
  title = {Calcium absorption as a function of calcium intake.},
  author = {R P Heaney and P D Saville and R R Recker},
  year = {1975},
  url = {https://pubmed.ncbi.nlm.nih.gov/1138021/},
  note = {Source identifier: 1138021}
}