@misc{indiciae59902652529a,
  title = {Phenotypic and functional differences between human CD4+CD25+ and type 1 regulatory T cells.},
  author = {M K Levings and M G Roncarolo},
  year = {2005},
  doi = {10.1007/3-540-27702-1\_14},
  url = {https://pubmed.ncbi.nlm.nih.gov/15981486/},
  note = {Source identifier: 15981486}
}