@misc{indiciae0bfa9d835a6f,
  title = {Calcium in toothpaste.},
  author = {J C Low and J M Earll},
  year = {1970},
  doi = {10.1056/nejm197010012831417},
  url = {https://pubmed.ncbi.nlm.nih.gov/5454772/},
  note = {Source identifier: 5454772}
}