Singer, B Reaction of nitrosoguanidine (N-methyl-N'-nitro-N-nitrosoguanidine) with tobacco mosaic virus and its RNA. [electronic resource] - Science (New York, N.Y.) Jun 1968 - 1235-7 p. digital Publication Type: Journal Article ISSN: 0036-8075 Standard No.: 10.1126/science.160.3833.1235 doi Subjects--Topical Terms: Adenine--analysisCarbon IsotopesChemical PhenomenaChemistryCytosine--analysisGuanidines--pharmacologyGuanine--analysisMethylationMutagens--pharmacologyNitroso Compounds--pharmacologyPhosphorus IsotopesPurines--analysisPyrimidines--analysisRNA, Viral--analysisSolutionsTobacco Mosaic Virus--drug effectsUracil--analysis