@misc{indiciae2cf032c8836e,
  title = {Why are allergies increasing?},
  author = {J Ring and U Krämer and T Schäfer and H Behrendt},
  year = {2001},
  doi = {10.1016/s0952-7915(01)00282-5},
  url = {https://pubmed.ncbi.nlm.nih.gov/11677093/},
  note = {Source identifier: 11677093}
}