The relationship between virulence and the size of the plaques of recombinant vaccinia viruses was studied by plaque assay method on chicken embryo cell monolayer with AGAR overlay.
采用单层琼脂蚀斑测定法，初步研究了重组痘苗病毒的蚀斑大小与毒力之间的关系。
The method of titration was plaque assay in BHK-21 cells.
参考品病毒滴定采用金黄色地鼠传代细胞(bhk—2 1)蚀斑滴定法。
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