title: Electron microscopy: new directions for chemical maps.
authors.forename: Leslie J
authors.initials: LJ
authors.lastname: Allen
mesh_terms: D007089:Image Enhancement / Q000379:methods*; D007090:Image Interpretation, Computer-Assisted / Q000379:methods*; D008422:Materials Testing / Q000379:methods*; D017348:Microscopy, Electron, Scanning Transmission / Q000379:methods* / Q000639:trends*; D049329:Nanostructures / Q000737:chemistry* / Q000648:ultrastructure*