title: Some electron microscopic studies on the satellite tobacco necrosis virus and its IgG-antibody.
mesh_terms: D000937:Antigen-Antibody Reactions; D005779:Immunodiffusion; D007122:Immunoelectrophoresis; D007074:Immunoglobulin G; D008854:Microscopy, Electron; D010942:Plant Viruses / Q000276:immunology*; D014461:Ultracentrifugation
chemical_list: D007074:Immunoglobulin G