@misc{indiciae834da95f5868,
  title = {Half a guard is better...},
  author = {M J Leadbeater and M R Nott},
  year = {1990},
  doi = {10.1111/j.1365-2044.1990.tb14763.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/2337226/},
  note = {Source identifier: 2337226}
}