@misc{indiciaec6bb30031281,
  title = {Calcium absorption.},
  author = {R P Heaney},
  year = {1989},
  doi = {10.1002/jbmr.5650040521},
  url = {https://pubmed.ncbi.nlm.nih.gov/2816522/},
  note = {Source identifier: 2816522}
}