7Asher MI, Montefort S, Bjorksten B, et al. Worldwide time trends in the prevalence of symptoms of asthma, allergic rhinoconjunctivltis, and eczema in childhood: ISAAC phases one and three repeat muhicountry cress-sectional surveys[ J]. Lancet,2006,368 (9537) :733 - 743.
9Lowe AJ, Carlin JB, Bennett CM, et al. Atopic disease and breasffeed- ing cause or consequence [ J ]. J Allergy Clin Immunol,2006,117 (3) : 682 - 687.
10Thygarajan A, Burks AW. American academy of pediatrics recommendations on the effects of early nutritional interventions on the development of atopic disease [ J ]. Curr Opin Pediatr, 2008,20 ( 6 ) : 698 - 702.
