Potato spindle tuber virus: a plant virus with properties of a free nucleic acid. I. Assay, extraction, and concentration.
D002021:Buffers; D002499:Centrifugation, Density Gradient; D010636:Phenols / Q000494:pharmacology; D010942:Plant Viruses / Q000187:drug effects / Q000302:isolation & purification; D014461:Ultracentrifugation
D002021:Buffers; D010636:Phenols