@misc{indiciae6f7634bd8506,
  title = {Immune function in aged mice. II. B-cell function.},
  author = {R E Callard and A Basten and L K Waters},
  year = {1977},
  doi = {10.1016/0008-8749(77)90003-x},
  url = {https://pubmed.ncbi.nlm.nih.gov/17469/},
  note = {Source identifier: 17469}
}