This study investigated the influence of TBX21 and HLX1 single nucleotide polymorphisms ( SNPs ) , which have previously been shown to be associated with asthma , on T ( H ) 1/T ( H ) 2 lineage cytokines at birth .
O O O O O O B-GeneOrGeneProduct O B-GeneOrGeneProduct O O O O O O O O O O O O O O O O B-DiseaseOrPhenotypicFeature O O O O O O O O O O O O O O O O