@article{akdis2021-33846604,
  author  = {Akdis, C. A.},
  title   = {{Does the epithelial barrier hypothesis explain the increase in allergy, autoimmunity and other chronic conditions?}},
  journal = {Nature reviews. Immunology},
  year    = {2021},
  doi     = {10.1038/s41577-021-00538-7},
  pmid    = {33846604},
  url     = {https://doi.org/10.1038/s41577-021-00538-7}
}