@misc{indiciae23eacd631f32,
  title = {Fluoride in UK rivers.},
  author = {Colin Neal and Margaret Neal and Helen Davies and Jennifer Smith},
  year = {2003},
  doi = {10.1016/s0048-9697(03)00104-9},
  url = {https://pubmed.ncbi.nlm.nih.gov/14499534/},
  note = {Source identifier: 14499534}
}