@misc{indiciae30299717d2d1,
  title = {Antigenic differences in two hog cholera virus strains.},
  author = {E C Pirtle and W L Mengeling},
  year = {1971},
  url = {https://pubmed.ncbi.nlm.nih.gov/5115536/},
  note = {Source identifier: 5115536}
}