@misc{indiciaee90fc787d5ca,
  title = {Combined ankle and subtalar instability.},
  author = {B K Zell and M J Shereff and A Greenspan and S Liebowitz},
  year = {1986},
  url = {https://pubmed.ncbi.nlm.nih.gov/3015294/},
  note = {Source identifier: 3015294}
}