Figure 1From: Chronic lead exposure reduces doublecortin-expressing immature neurons in young adult guinea pig cerebral cortexElevation of blood Pb levels in adult guinea pigs subjected to Pb exposure for 2, 4 and 6 months. Each bar represents the mean ± SEM. ***: p<0.01 among different Pb exposure time groups, F = 103.352, one-way ANOVA. *: p<0.05 between Pb exposure group vs same age-matched control group (post hoc tests).Back to article page