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Keywords: Farming
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Journal Articles
Journal Articles
Int Arch Allergy Immunol (2010) 152 (2): 151–158.
Published Online: 16 December 2009
... by standardized questionnaires. BHR was determined in a subset of 113 subjects. Associations were adjusted for age, sex, smoking and living on a farm during childhood. Results: Endotoxin exposure was positively associated with BHR and wheeze (p < 0.05). In contrast, endotoxin exposure was inversely associated...