@misc{indiciae167022558d74,
  title = {Properdin acting as a C3 convertase.},
  author = {U Johnson},
  year = {1974},
  doi = {10.1111/j.1699-0463.1974.tb02392.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/4533226/},
  note = {Source identifier: 4533226}
}