title: Application of thin tungsten shadowing to freeze-dried ribosomal small subunits of Escherichia coli.
mesh_terms: D004926:Escherichia coli / Q000648:ultrastructure; D008854:Microscopy, Electron / Q000379:methods*; D012270:Ribosomes / Q000648:ultrastructure*; D013194:Staining and Labeling; D014414:Tungsten
chemical_list: D014414:Tungsten