Objective:To find protective antigen(PA) defective mutants of anthrax toxin with the same function as PA but with low immunogenicity,different domains of PA were mutated.是什么意思_Objective:To find protective antigen(PA) defective mutants of anthrax toxin with the same function as PA but with low immunogenicity,different domains of PA were mutated.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句