title: Some progress in the use of a scanning transmission electron microscope for the observation of biomacromolecules.
mesh_terms: D002843:Chromatin / Q000648:ultrastructure*; D003090:Coliphages; D004279:DNA, Viral; D004926:Escherichia coli / Q000648:ultrastructure*; D008855:Microscopy, Electron, Scanning; D013048:Specimen Handling; D014027:Tobacco Mosaic Virus; D014764:Viral Proteins
chemical_list: D002843:Chromatin; D004279:DNA, Viral; D014764:Viral Proteins