@misc{indiciaeb034fb069769,
  title = {The upgoing thumb sign.},
  author = {V Hachinski},
  year = {1992},
  doi = {10.1001/archneur.1992.00530280026009},
  url = {https://pubmed.ncbi.nlm.nih.gov/1558507/},
  note = {Source identifier: 1558507}
}