Corynebacterium diphtheriae toxin Ab^1st specimen:ACnc:Pt:Ser:Qn:IA
corynebacterium diphtheriae toxin ab^1st specimen:acnc:pt:ser:qn:ia
Corynebacterium diphtheriae toxin Ab^1st specimen:ACnc:Pt:Ser:Qn:IA
corynebacterium diphtheriae toxin ab^1st specimen:acnc:pt:ser:qn:ia