@misc{indiciaec46174071816,
  title = {Urinary calcium excretion in schoolboys. Ethnic group differences.},
  author = {Y Sokol and S T Winter and J Boxer and H Kana'aneh},
  year = {1978},
  url = {https://pubmed.ncbi.nlm.nih.gov/669919/},
  note = {Source identifier: 669919}
}