@misc{indiciae9341270cc98c,
  title = {Partial shifts.},
  author = {C J McCullough},
  year = {1992},
  doi = {10.1136/bmj.305.6864.1297},
  url = {https://pubmed.ncbi.nlm.nih.gov/1477594/},
  note = {Source identifier: 1477594}
}