@misc{indiciae6120171a8e9e,
  title = {Activation requirements for CD4+ T cells differing in CD45R expression.},
  author = {M Luqman and K Bottomly},
  year = {1992},
  url = {https://pubmed.ncbi.nlm.nih.gov/1388189/},
  note = {Source identifier: 1388189}
}