@misc{indiciaea92f1c72df87,
  title = {A simple method of internal tocography.},
  author = {E A WILLIAMS and J A STALLWORTHY},
  year = {1952},
  doi = {10.1016/s0140-6736(52)91847-3},
  url = {https://pubmed.ncbi.nlm.nih.gov/14889861/},
  note = {Source identifier: 14889861}
}