title: Observations on the assay of infectious viral ribonucleic acid: effects of DMSO and DEAE-dextran.
mesh_terms: D000588:Amines / Q000494:pharmacology; D001681:Biological Assay / Q000187:drug effects; D003470:Culture Media; D003588:Cytopathogenic Effect, Viral; D003911:Dextrans / Q000494:pharmacology*; D004121:Dimethyl Sulfoxide / Q000494:pharmacology*; D004686:Encephalomyocarditis virus; D007739:L Cells; D012367:RNA, Viral / Q000032:analysis*
chemical_list: D000588:Amines; D003470:Culture Media; D003911:Dextrans; D012367:RNA, Viral; D004121:Dimethyl Sulfoxide