title: Contrast and resolution from biological objects examined in the electron microscope with particular reference to negatively stained specimens.
mesh_terms: D004583:Electrons; D008854:Microscopy, Electron / Q000592:standards*; D055095:Optics and Photonics; D011830:Radiation Effects; D013194:Staining and Labeling; D014027:Tobacco Mosaic Virus; D014764:Viral Proteins
chemical_list: D014764:Viral Proteins