@misc{indiciae9d19c0cfb79b,
  title = {Immunological problems in paratuberculosis.},
  author = {B SIGURDSSON},
  year = {1956},
  doi = {10.1128/br.20.1.1-13.1956},
  url = {https://pubmed.ncbi.nlm.nih.gov/13303919/},
  note = {Source identifier: 13303919}
}