@misc{indiciae6462ec4b5821,
  title = {Polymorphism of human complement component C4.},
  author = {K T Belt and C Y Yu and M C Carroll and R R Porter},
  year = {1985},
  doi = {10.1007/bf00364869},
  url = {https://pubmed.ncbi.nlm.nih.gov/3838531/},
  note = {Source identifier: 3838531}
}