title: Electron microscopy of replicative form and single-stranded RNA of alfalfa mosaic virus.
mesh_terms: D002499:Centrifugation, Density Gradient; D003580:Cytochromes; D004121:Dimethyl Sulfoxide; D006651:Histocytochemistry; D000455:Medicago sativa; D008722:Methods; D008854:Microscopy, Electron; D008970:Molecular Weight; D010759:Phosphorus Isotopes; D010935:Plant Diseases; D010942:Plant Viruses / Q000032:analysis*; D010947:Plants, Toxic; D012367:RNA, Viral / Q000302:isolation & purification*; D014026:Nicotiana; D014776:Virus Cultivation
chemical_list: D003580:Cytochromes; D010759:Phosphorus Isotopes; D012367:RNA, Viral; D004121:Dimethyl Sulfoxide