@misc{indiciae109d48949943,
  title = {Systemic cellular hypersensitivity induced by an intestinally absorbed antigen.},
  author = {J L Perrotto and L M Hang and K J Isselbacher and K S Warren},
  year = {1974},
  doi = {10.1084/jem.140.1.296},
  url = {https://pubmed.ncbi.nlm.nih.gov/4857866/},
  note = {Source identifier: 4857866}
}