

@article {7250,
	title = {Allergies, infections and the hygiene hypothesis {\textendash} {The} epidemiological evidence},
	journal = {Immunobiology},
	volume = {212},
	number = {6},
	year = {2007},
	month = {jun},
	pages = {433{\textendash}439},
	issn = {01712985},
	doi = {10.1016/j.imbio.2007.03.002},
	url = {http://linkinghub.elsevier.com/retrieve/pii/S0171298507000332},
	author = {von Mutius, Erika}
}
