German, A [Trial interferon production by chick embryo cells in ovo and in vitro under the influence of live or inactivated Newcastle disease virus]. [electronic resource] - Annales de l'Institut Pasteur Feb 1968 - 217-35 p. digital Publication Type: Journal Article ISSN: 0020-2444 Subjects--Topical Terms: AnimalsChick EmbryoIn Vitro TechniquesInterferons--biosynthesisNewcastle disease virus--radiation effectsRadiation EffectsVirus Cultivation