| Literature DB >> 5498616 |
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.Entities:
Mesh:
Year: 1970 PMID: 5498616 PMCID: PMC377007 DOI: 10.1128/am.20.4.638-640.1970
Source DB: PubMed Journal: Appl Microbiol ISSN: 0003-6919