@misc{indiciae7f7fe9956b52,
  title = {DRG system.},
  author = {William G Plested},
  year = {2002},
  doi = {10.1016/s1072-7515(01)01124-3},
  url = {https://pubmed.ncbi.nlm.nih.gov/11800334/},
  note = {Source identifier: 11800334}
}