@misc{indiciae131b72a97436,
  title = {Testing the hydrocephalus shunt valve.},
  author = {C Watts and H D Keith},
  year = {1983},
  doi = {10.1159/000120117},
  url = {https://pubmed.ncbi.nlm.nih.gov/6884124/},
  note = {Source identifier: 6884124}
}