@misc{indiciaece34fd15287c,
  title = {The immunoglobulin class switch: beyond "accessibility".},
  author = {C M Snapper and K B Marcu and P Zelazowski},
  year = {1997},
  doi = {10.1016/s1074-7613(00)80324-6},
  url = {https://pubmed.ncbi.nlm.nih.gov/9075922/},
  note = {Source identifier: 9075922}
}