@misc{indiciae186c825d1eb4,
  title = {Crystal unclear.},
  author = {P K Wong and J R York and D Ryan and D Sullivan and N W McGill},
  year = {2000},
  doi = {10.1136/ard.59.2.83},
  url = {https://pubmed.ncbi.nlm.nih.gov/10666160/},
  note = {Source identifier: 10666160}
}