title: Don't define nanomaterials.
authors: Risk Science Center, University of Michigan School of Public Health, Ann Arbor, Michigan 48109-2029, USA. maynarda@umich.edu
authors: Andrew D
authors: AD
authors: Maynard
mesh_terms: D003257:Consumer Product Safety / Q000331:legislation & jurisprudence; D005060:Europe; D033161:Government Regulation; D006801:Humans; D049329:Nanostructures / Q000009:adverse effects / Q000737:chemistry* / Q000633:toxicity*; D036103:Nanotechnology / Q000331:legislation & jurisprudence* / Q000592:standards; D010316:Particle Size; D016062:Porosity; D012306:Risk; D013499:Surface Properties; D009626:Terminology as Topic; D014025:Titanium / Q000737:chemistry / Q000633:toxicity; D014481:United States
chemical_list: C009495:titanium dioxide; D014025:Titanium