@misc{indiciaea8ff1189472d,
  title = {The "mechanical bull" thumb.},
  author = {T P Ginthner and S I Schabel},
  year = {1981},
  doi = {10.1007/bf00347379},
  url = {https://pubmed.ncbi.nlm.nih.gov/7330664/},
  note = {Source identifier: 7330664}
}