@misc{indiciaec41441ed6c05,
  title = {Complement levels in beta-thalassaemia major.},
  author = {B Seitanidis and D Kremastinos and B Angelopoulos},
  year = {1973},
  doi = {10.1016/s0140-6736(73)92176-4},
  url = {https://pubmed.ncbi.nlm.nih.gov/4120763/},
  note = {Source identifier: 4120763}
}