Ziegler, D W Vaccinia neutralization test using a radioisotope assay for virus-induced enzyme activity. [electronic resource] - Applied microbiology Jan 1969 - 41-7 p. digital Publication Type: Journal Article ISSN: 0003-6919 Standard No.: 10.1128/am.17.1.41-47.1969 doi Subjects--Topical Terms: Amino Acids--metabolismAutomationCarbon IsotopesCulture TechniquesHydrogen-Ion ConcentrationMethodsNeutralization TestsRadiometryThymidine--metabolismTritiumVaccinia virus--immunology