@misc{indiciae140d5dfdb8ac,
  title = {The shading sign.},
  author = {Christine M Glastonbury},
  year = {2002},
  doi = {10.1148/radiol.2241010361},
  url = {https://pubmed.ncbi.nlm.nih.gov/12091683/},
  note = {Source identifier: 12091683}
}