@misc{indiciae3a94058ea9ee,
  title = {Primary polycythaemia presenting with chorea.},
  author = {J M Borg-Costanzi and P D Mohr and D Lewis},
  year = {1981},
  doi = {10.1136/pgmj.57.666.228},
  url = {https://pubmed.ncbi.nlm.nih.gov/7291101/},
  note = {Source identifier: 7291101}
}