@misc{indiciae9f42eadc63cb,
  title = {An age-associated decrease in the frequency of C4B*Q0 indicates that null alleles of complement may affect health or survival.},
  author = {Gudmundur Jóhann Arason and Sigurdur Bödvarsson and Sigurudr Thor Sigurdarson and Gardar Sigurdsson and Gudmundur Thorgeirsson and Sveinn Gudmundsson and Judit Kramer and Georg Füst},
  year = {2003},
  doi = {10.1196/annals.1299.091},
  url = {https://pubmed.ncbi.nlm.nih.gov/15033778/},
  note = {Source identifier: 15033778}
}