Plasma Selenium Biomarkers in Low Income Black and White Americans from the Southeastern United States. - Hargreaves, Margaret K.; Liu, Jianguo; Buchowski, Maciej S.; Patel, Kushal A.; Larson, Celia O.; Schlundt, David G.; Kenerson, Donna M.; Hill, Kristina E.; Burk, Raymond F.; Blot, William J. (PLoS ONE, 2014)