@misc{indiciae78c2fe4e8b17,
  title = {Cloning of a human complement component C4 gene.},
  author = {M C Carroll and R R Porter},
  year = {1983},
  doi = {10.1073/pnas.80.1.264},
  url = {https://pubmed.ncbi.nlm.nih.gov/6572000/},
  note = {Source identifier: 6572000}
}