Markers of low level arsenic exposure for evaluating human cancer risks in a US population - Karagas, Margaret R.; Le, Chris X.; Morris, Steven; Blum, Joel; Lu, Xiufen; Spate, Vicky; Carey, Mark; Stannard, Virginia; Klaue, Bjoern; Tosteson, Tor D. (Instytut Medycyny Pracy w Łodzi im. prof. J. Nofera)