@misc{indiciaee9faad4f9871,
  title = {CD28/B7 costimulation: a review.},
  author = {E A Greenfield and K A Nguyen and V K Kuchroo},
  year = {1998},
  doi = {10.1615/critrevimmunol.v18.i5.10},
  url = {https://pubmed.ncbi.nlm.nih.gov/9784967/},
  note = {Source identifier: 9784967}
}