@misc{indiciae36acd560bfeb,
  title = {Bilateral ulnar "thumbs".},
  author = {F J Harvey},
  year = {1979},
  doi = {10.1016/s0072-968x(79)80018-2},
  url = {https://pubmed.ncbi.nlm.nih.gov/488785/},
  note = {Source identifier: 488785}
}