@misc{indiciaea4627ec3fd5d,
  title = {'Fourth hurdle' clause.},
  author = {D J Miller},
  year = {1991},
  doi = {10.1136/vr.128.5.114-b},
  url = {https://pubmed.ncbi.nlm.nih.gov/1824227/},
  note = {Source identifier: 1824227}
}