Ecology and taxonomy of some European potyviruses.
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Istituto di Fitovirologia Applicata del C.N.R., Torino, Italy.
D004463:Ecology; D005060:Europe; D010942:Plant Viruses / Q000145:classification* / Q000502:physiology; D012328:RNA Viruses / Q000145:classification* / Q000502:physiology