title: Editorial Comment.
authors.affiliation: Department of Anatomy & Cell Biology, Indiana University School of Medicine, Indianapolis, IN.
authors.forename: James C
authors.initials: JC
authors.lastname: Williams
mesh_terms: D005260:Female; D006801:Humans; D007669:Kidney Calculi / Q000737:chemistry* / Q000453:epidemiology*; D008297:Male; D012822:Silicon Dioxide / Q000032:analysis*
chemical_list: D012822:Silicon Dioxide