@misc{indiciae48ba8f2d8fa5,
  title = {The Gibraltar sign.},
  author = {C L Wixon and J J Devine and J L Mills},
  year = {2001},
  doi = {10.1016/s1072-7515(01)00813-4},
  url = {https://pubmed.ncbi.nlm.nih.gov/11294411/},
  note = {Source identifier: 11294411}
}