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The effect of ether on Newcastle disease virus: a morphological study of eight strains
Zeitschrift für Naturforschung. B, A journal of chemical sciences
Eight strains of Newcastle disease virus (NDV) have been examined using the technique of negative contrast electron microscopy, before and after treatment with ether. There is considerable variation in the shape and size of particles in any one strain, and the degree of this pleomorphism varies from strain to strain. The two common features of all the strains are the internal ribonucleoprotein and the rosette-like haemagglutinin formed by disruption of the coat with ether. The effect of etherdoi:10.1515/znb-1963-0204 fatcat:aqzabvihprf4jd2wbu6k35t53a