@misc{indiciaec2fa217a7516,
  title = {Immunoglobulin subclasses in normal children.},
  author = {P H Schur and F Rosen and M E Norman},
  year = {1979},
  doi = {10.1203/00006450-197903000-00010},
  url = {https://pubmed.ncbi.nlm.nih.gov/471573/},
  note = {Source identifier: 471573}
}