@misc{indiciae9e90ccee667e,
  title = {The immunoglobulin heavy chain class switch.},
  author = {P D Burrows and M D Cooper},
  year = {1984},
  doi = {10.1007/bf00285216},
  url = {https://pubmed.ncbi.nlm.nih.gov/6436684/},
  note = {Source identifier: 6436684}
}