Cytokine production by PBMC challenged to lead acetate. Concentrations of cytokines in PBMC cultures challenged to either lead acetate alone at indicated concentrations (A) or to lead acetate in combination with 1μg/ml PHA (B) were normalized to those in control cultures. Statistically significant changes are marked with asterisks.
Gillis et al. BMC Genomics 2012 13:344 doi:10.1186/1471-2164-13-344