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Sensitivity of the Plaque Technique for the Study of Selected Vaccine Strains and a Virulent Strain of Newcastle Disease Virus |
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| Authors: | K. V. Singh Najla Saad A. El Zein |
| Abstract: | A plaque technique was found useful for the differentiation and titration of two vaccine strains and a local highly virulent field isolate of Newcastle disease virus. |
| Keywords: | |