Differential mouse pulmonary dose and time course responses to titanium dioxide nanospheres and nanobelts

Dale W. Porter, Nianqiang Wu, Ann F. Hubbs, Robert R. Mercer, Kathleen Funk, Fanke Meng, Jiangtian Li, Michael G. Wolfarth, Lori Battelli, Sherri Friend, Michael Andrew, Raymond Hamilton, Krishnan Sriram, Feng Yang, Vincent Castranova, Andrij Holian