@misc{indiciae7c59cc43d4ab,
  title = {The aqueduct echo method applied to brain stem tumours.},
  author = {K Krogness},
  year = {1977},
  doi = {10.1016/0041-624x(77)90032-4},
  url = {https://pubmed.ncbi.nlm.nih.gov/871041/},
  note = {Source identifier: 871041}
}