Fig. 1From: The upregulation of peripheral CD3-CD56+CD16+ natural killer cells correlates with Th1/Th2 imbalance in asthma patients during acute upper respiratory viral infectionsComparisons of inflammatory cytokines (a) IL-4, (b) IL-5 and (c) IL-13 in induced sputum among healthy controls (N = 50), asthmatic subjects (N = 56), and asthma patients with (N = 49) on day 1, day 3,day 8 and day 14. *p < 0.05, ** p < 0.01, *** p < 0.001Back to article page