Katz, E Isolation and characterization of an IBT-dependent mutant of vaccinia virus. [electronic resource] - The Journal of general virology Apr 1973 - 161-4 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0022-1317 Standard No.: 10.1099/0022-1317-19-1-161 doi Subjects--Topical Terms: AnimalsChick EmbryoCulture TechniquesDrug Resistance, MicrobialHeLa CellsHumansIdoxuridineMicroscopy, ElectronMutagensMutationNeutralization TestsThiosemicarbazones--metabolismVaccinia virus--drug effects