@misc{indiciaefb0452ed6dda,
  title = {New battlefields for costimulation.},
  author = {Natalia Martin-Orozco and Chen Dong},
  year = {2006},
  doi = {10.1084/jem.20060219},
  url = {https://pubmed.ncbi.nlm.nih.gov/16606678/},
  note = {Source identifier: 16606678}
}