@misc{indiciae934ebb1195fe,
  title = {Polydactyly--bifid thumb.},
  author = {A J Huffstadt},
  year = {1981},
  doi = {10.1016/s0072-968x(81)80036-8},
  url = {https://pubmed.ncbi.nlm.nih.gov/7203185/},
  note = {Source identifier: 7203185}
}