title: Some implications of a morphologically oriented classification of viruses.
mesh_terms: D004267:DNA Viruses / Q000145:classification; D005019:Ethyl Ethers / Q000494:pharmacology; D008722:Methods; D008854:Microscopy, Electron; D008970:Molecular Weight; D009696:Nucleic Acids / Q000032:analysis; D012328:RNA Viruses / Q000145:classification; D014780:Viruses / Q000032:analysis / Q000145:classification* / Q000187:drug effects; D014961:X-Ray Diffraction
chemical_list: D005019:Ethyl Ethers; D009696:Nucleic Acids