@misc{indiciae2e2f8ec0076a,
  title = {IgG subclasses in symptomatic IgA deficiency.},
  author = {I Tezcan and F Ersoy and O Sanal},
  url = {https://pubmed.ncbi.nlm.nih.gov/1509524/},
  note = {Source identifier: 1509524}
}