@misc{indiciaeea44c6eead8e,
  title = {Filling patterns in contrast ventriculography.},
  author = {L Ferguson},
  year = {1974},
  doi = {10.1136/jnnp.37.4.449},
  url = {https://pubmed.ncbi.nlm.nih.gov/4545798/},
  note = {Source identifier: 4545798}
}