Observations on the plaque assay of visna virus.
D000327:Adsorption; D000818:Animals; D002831:Choroid Plexus; D046508:Culture Techniques; D003588:Cytopathogenic Effect, Viral; D008722:Methods; D012328:RNA Viruses; D012608:Scrapie; D012756:Sheep; D014776:Virus Cultivation