@misc{indiciae4d521954f467,
  title = {IgG subclasses and asthma.},
  author = {J Björkander and V A Oxelius and L A Hanson},
  year = {1989},
  url = {https://pubmed.ncbi.nlm.nih.gov/2816569/},
  note = {Source identifier: 2816569}
}