J. Riedler et al. “Exposure to Farming in Early Life and Development of Asthma and Allergy: A Cross-sectional Survey”. Lancet 358, № 9288 (2001).
266
J. Douwes et al. “Farm Exposure In Utero May Protect Against Asthma, Hay Fever and Eczema”. European Respiratory Journal 32, № 3 (2008).
267
Ege et al. “Prenatal Farm Exposure Is Related to the Expression of Receptors of the Innate Immunity and to Atopic Sensitization in School-Age Children”. Journal of Allergy and Clinical Immunology 117, № 4 (2006).
