Fig. 1From: Genes and pathways underlying susceptibility to impaired lung function in the context of environmental tobacco smoke exposureManhattan plot showing SNP-by-ETS exposure interactions on the level of FEV1 in the identification cohort LifeLines. The blue line depicts the threshold for selection of SNPs (p = 10−4) and the red line the genome-wide significance level (p = 2.26*10−7)Back to article page