@misc{indiciae93629bb63e49,
  title = {B cells with the guts to switch.},
  author = {E A Clark and K L Otipoby},
  year = {2001},
  doi = {10.1038/89721},
  url = {https://pubmed.ncbi.nlm.nih.gov/11429539/},
  note = {Source identifier: 11429539}
}