@misc{indiciaeb2c476a557f6,
  title = {Does environmental endotoxin exposure prevent asthma?},
  author = {J Douwes and N Pearce and D Heederik},
  year = {2002},
  doi = {10.1136/thorax.57.1.86},
  url = {https://pubmed.ncbi.nlm.nih.gov/11809997/},
  note = {Source identifier: 11809997}
}