@misc{indiciaed3de7b5d7c88,
  title = {Persistent anthelmintic effect of ivermectin in cattle.},
  author = {G E Swan and R G Harvey},
  year = {1983},
  url = {https://pubmed.ncbi.nlm.nih.gov/6689429/},
  note = {Source identifier: 6689429}
}