@misc{indiciaecf93578ef688,
  title = {Major histocompatibility complex and cell cooperation.},
  author = {O Vainio and P Toivanen and A Toivanen},
  year = {1987},
  doi = {10.3382/ps.0660795},
  url = {https://pubmed.ncbi.nlm.nih.gov/3306644/},
  note = {Source identifier: 3306644}
}