Comparison of the biological activity between ultrafine and fine titanium dioxide particles in RAW 264.7 cells associated with oxidative stress.
Kang JL, Moon C, Lee HS, Lee HW, Park EM, Kim HS, Castranova V. Comparison of the biological activity between ultrafine and fine titanium dioxide particles in RAW 264.7 cells associated with oxidative stress. J Toxicol Environ Health A. 2008; 71(8):478-85.