@misc{indiciae8c724513bdfc,
  title = {Proficiency testing in agriculture.},
  author = {M Hinton and P C Sheppy},
  year = {1977},
  doi = {10.1136/vr.100.9.170},
  url = {https://pubmed.ncbi.nlm.nih.gov/841839/},
  note = {Source identifier: 841839}
}