@misc{indiciaeca4c21484f1f,
  title = {Conventional MR neuroangiography.},
  author = {T el Gammal and B S Brooks},
  year = {1991},
  doi = {10.2214/ajr.156.5.2017931},
  url = {https://pubmed.ncbi.nlm.nih.gov/2017931/},
  note = {Source identifier: 2017931}
}