@misc{indiciae74599382c56d,
  title = {Import controls.},
  author = {N M Howie},
  year = {1993},
  doi = {10.1136/vr.133.22.555},
  url = {https://pubmed.ncbi.nlm.nih.gov/8116165/},
  note = {Source identifier: 8116165}
}