Figure 4From: Cyclic hydrostatic pressure and cotton particles stimulate synthesis by human lung macrophages of cytokines in vitro (a-b) Effect of pressure and particles on synthesis of TNF-α by THP-1 macrophages; data expressed as scatter plots with mean line. Comparison with unpressurized controls; ***p < 0.001, **p < 0.01, *p < 0.05Back to article page