@misc{indiciae697dbbafaab1,
  title = {Functional deficiency of complement factor D in a monozygous twin.},
  author = {H C Kluin-Nelemans and H van Velzen-Blad and H P van Helden and M R Daha},
  year = {1984},
  url = {https://pubmed.ncbi.nlm.nih.gov/6568950/},
  note = {Source identifier: 6568950}
}