title: Metrizamide, a new reagent for purification of RNA oncogenic viruses associated with bovine enzootic leukemia and human leukemias [proceedings].
mesh_terms: D000818:Animals; D002417:Cattle; D002499:Centrifugation, Density Gradient / Q000379:methods; D006801:Humans; D001909:Leukemia Virus, Bovine / Q000302:isolation & purification*; D008722:Methods; D008793:Metrizamide; D012328:RNA Viruses / Q000302:isolation & purification*; D012190:Retroviridae / Q000302:isolation & purification*
chemical_list: D008793:Metrizamide