用“avirulent”造句大全,avirulent造句
Its characteristic is long do not fade, natural, beautiful, avirulent insipidity.
Genetic difference between Streptococcus suis serotype 2 virulent strain and avirulent strain by suppression subtractive hybridization
Comparative proteome study on extracellular proteins of virulent and avirulent Streptococcus suis type 2