TY - JOUR A1 - Grassian, V H A1 - O'Shaughnessy, P T A1 - Adamcakova-Dodd, A A1 - Pettibone, J M A1 - Thorne, P S T1 - Inhalation exposure study of titanium dioxide nanoparticles with a primary particle size of 2 to 5 nm. Y1 - 2007/03/ N1 - R831717 JF - ENVIRONMENTAL HEALTH PERSPECTIVES J1 - ENVIRON HEALTH PERSP J2 - Environ.Health Perspect. J3 - Environ Health Perspect J4 - Environmental Health Perspectives VL - 115 IS - 3 SP - 397 EP - 402 ER -