@misc{indiciaecb50af2403bb,
  title = {MP-RAGE subtraction venography: a new technique.},
  author = {J Stevenson and E A Knopp and A W Litt},
  doi = {10.1002/jmri.1880050220},
  url = {https://pubmed.ncbi.nlm.nih.gov/7766987/},
  note = {Source identifier: 7766987}
}