title: Morphology of the ribosomal 30S subparticle according to electron microscopic data.
mesh_terms: D004926:Escherichia coli / Q000648:ultrastructure; D005612:Freeze Drying; D008854:Microscopy, Electron; D012270:Ribosomes / Q000648:ultrastructure*; D013194:Staining and Labeling; D014414:Tungsten
chemical_list: D014414:Tungsten