Drinking water arsenic, urinary arsenic biomarkers, and cognitive impairment in the REGARDS study - Angley, Meghan; Zhang, Yijia; Nigra, Anne; Lombard, Melissa; Gribble, Matthew; Lu, Liping; Unverzagt, Frederick; McClure, Leslie; Judd, Suzanne; Cushman, Mary; Brockman, John; Kahe, Ka (Environmental Research, 2026)