@misc{indiciaeadb0760f14be,
  title = {Barrier animal facility operations for a large-scale chronic study (ED01 study).},
  author = {N A Littlefield and J R Harmon and H M Campbell},
  year = {1980},
  url = {https://pubmed.ncbi.nlm.nih.gov/6444981/},
  note = {Source identifier: 6444981}
}