@misc{indiciae3d5c96144534,
  title = {Elusive allowances.},
  author = {L Mackenzie and C Aitken},
  year = {1981},
  doi = {10.1136/bmj.283.6306.1587},
  url = {https://pubmed.ncbi.nlm.nih.gov/6458345/},
  note = {Source identifier: 6458345}
}