Fig. 1From: Th17/Treg imbalance is associated with reduced indoleamine 2,3 dioxygenase activity in childhood allergic asthmaa Bar plot showing IDO activity in the induced sputum of subjects in two group. (* P < 0.05; ** P < 0.01; *** P < 0.001). b. Bar plot showing IDO activity in the blood of subjects with or without allergic asthma (*P < 0.05; **P < 0.01; ***P < 0.001)Back to article page