@misc{indiciae088e0e242cdb,
  title = {Coding for surgical audit.},
  author = {R A Pettigrew and A M van Rij},
  year = {1990},
  doi = {10.1111/j.1445-2197.1990.tb07386.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/2110448/},
  note = {Source identifier: 2110448}
}