@misc{indiciae3fe86db3541a,
  title = {The Denver classification and group III.},
  author = {S MULDAL and C H OCKEY},
  year = {1961},
  doi = {10.1016/s0140-6736(61)92432-1},
  url = {https://pubmed.ncbi.nlm.nih.gov/13773668/},
  note = {Source identifier: 13773668}
}