TY - JOUR T1 - Family size, infection and atopy: the first decade of the 'hygiene hypothesis' JF - Thorax JO - Thorax SP - S2 LP - 10 DO - 10.1136/thorax.55.suppl_1.S2 VL - 55 IS - suppl 1 AU - DP Strachan Y1 - 2000/08/01 UR - http://thorax.bmj.com/content/55/suppl_1/S2.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -