@misc{indiciae74097f632f92,
  title = {Genetic studies of complement C4 in man.},
  author = {G B Petersen and I J Sørensen and L Buskjaer and L U Lamm},
  year = {1979},
  doi = {10.1007/bf00289447},
  url = {https://pubmed.ncbi.nlm.nih.gov/535900/},
  note = {Source identifier: 535900}
}