@misc{indiciaeff5a21b09259,
  title = {[Relations between human IgG subclasses, hyperviscosity and cryoprecipitation].},
  author = {G Virella},
  year = {1971},
  url = {https://pubmed.ncbi.nlm.nih.gov/5128054/},
  note = {Source identifier: 5128054}
}