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Effects of Cd on ACIII and Gαo protein expression in the olfactory epithelium. ACIII (A) and Gαo (B) immunolabeling as percent control levels following exposure to 2 and 30 ppb Cd for 48 h. Data represent the mean ± SEM of n = 6 individuals normalized to background fluorescence. Asterisks indicates statistically significant differences in signal relative to control (*P ≤ .05).
