Geometric means of serum GGT (), vitamin C (), carotenoids (), and vitamin E () by deciles of blood lead or urinary cadmium levels, adjusted for race, sex, age, education, and poverty income ratio

<b>Copyright information:</b>Taken from "Graded Associations of Blood Lead and Urinary Cadmium Concentrations with Oxidative-Stress�Related Markers in the U.S. Population: Results from the Third National Health and Nutrition Examination Survey"Environmental Health Perspectives 2005;114(3):350-354.Published online 15 Nov 2005PMCID:PMC1392227.This is an Open Access article: verbatim copying and redistribution of this article are permitted in all media for any purpose, provided this notice is preserved along with the article's original DOI. Concentrations of carotenoids and vitamin E were additionally adjusted for serum cholesterol. Serum carotenoids were the sum of ?-carotene, ?-carotene, ?-cryptoxanthin, zeaxanthin/lutein, and lycopene.