Figure 3From: The changes and its significance of Th17 and Treg cells and related cytokines in patients with tuberculosis pleurisy Frequency of various cytokines level in peripheral blood and hydrothorax (notes: 1. cytokines level in blood from the healthy; 2. cytokines level in blood from the patients; 3. cytokines level in hydrothorax from the patients. The abscissa: cytokines level; the ordinate: frequency of corresponding cytokines). Back to article page