@misc{indiciaee505caef5cab,
  title = {Letter: X-ray densitography.},
  author = {A K Ommaya},
  year = {1974},
  doi = {10.1016/s0140-6736(74)92433-7},
  url = {https://pubmed.ncbi.nlm.nih.gov/4131478/},
  note = {Source identifier: 4131478}
}