Agglomeration of titanium dioxide nanoparticles increases toxicological responses in vitro and in vivo, Murugadoss, Sivakumar, Sebaihi Noham, Brassinne Frederic, Petry Jasmine, Cokic Stevan M., Van Landuy Kirsten L., Godderis Lode, Mast Jan, Lison Dominique, Hoet Peter H., et al. , Particle and Fibre Toxicology, 2020, (2020)