title: The effect of EDTA and Mg2+ on the infectivity and structure of southern bean mosaic virus.
mesh_terms: D002499:Centrifugation, Density Gradient; D004492:Edetic Acid / Q000494:pharmacology*; D006863:Hydrogen-Ion Concentration; D008274:Magnesium / Q000494:pharmacology*; D010942:Plant Viruses / Q000187:drug effects / Q000472:pathogenicity*
chemical_list: D004492:Edetic Acid; D008274:Magnesium