@article{Strachan2000,
author = {Strachan, D.P.},
title= {Family size, infection and atopy: The first decade of the'hygiene hypothesis'},
year = {2000},
doi = {10.1136/thorax.55.suppl_1.S2},
journal = {Thorax},
volume = {55},
number = {Suppl. 1},
pages = {S2},
}