title: Changes induced by magnesium ions in the morphology of some plant viruses with filamentous particles.
mesh_terms: D002712:Chlorides; D004492:Edetic Acid / Q000494:pharmacology; D008274:Magnesium / Q000494:pharmacology*; D008854:Microscopy, Electron; D010772:Phosphotungstic Acid; D010935:Plant Diseases; D010936:Plant Extracts; D010942:Plant Viruses / Q000187:drug effects* / Q000302:isolation & purification; D010944:Plants; D013194:Staining and Labeling
chemical_list: D002712:Chlorides; D010936:Plant Extracts; D010772:Phosphotungstic Acid; D004492:Edetic Acid; D008274:Magnesium