@misc{indiciae684fc6fa92d2,
  title = {Long duration fly control on cattle using cypermethrin impregnated ear tags.},
  author = {J S Liddel and R Clayton},
  year = {1982},
  doi = {10.1136/vr.110.21.502},
  url = {https://pubmed.ncbi.nlm.nih.gov/7112864/},
  note = {Source identifier: 7112864}
}