@misc{indiciae5de33ef9a159,
  title = {The calyceal crescent sign.},
  author = {Geetika Khanna},
  year = {2005},
  doi = {10.1148/radiol.2362031411},
  url = {https://pubmed.ncbi.nlm.nih.gov/16040921/},
  note = {Source identifier: 16040921}
}