Fig. 1From: Effect of traffic-related air pollution on cough in adults with polymorphisms in several cough-related genesRelationship between genetic risk score (GRS) and cough counts for post-exposure to diesel exhaust (DE) or filtered air (FA). GRS was calculated as the unweighted sum of 7 single nucleotide polymorphism (SNP) risk alleles related to cough response. Risk alleles are described in methodsBack to article page