@misc{indiciae1d70a15b3186,
  title = {Systemic versus topical fluoride.},
  author = {E Hellwig and A M Lennon},
  doi = {10.1159/000077764},
  url = {https://pubmed.ncbi.nlm.nih.gov/15153698/},
  note = {Source identifier: 15153698}
}