@misc{indiciae45cc502390bd,
  title = {FM systems.},
  author = {D E Lewis},
  year = {1992},
  doi = {10.1097/00003446-199210000-00004},
  url = {https://pubmed.ncbi.nlm.nih.gov/1487087/},
  note = {Source identifier: 1487087}
}