Streptococcus pyogenes enzyme Ab:PrThr:Pt:Ser:Ord:Sheep cell aggl
streptococcus pyogenes enzyme ab:prthr:pt:ser:ord:sheep cell aggl
Streptococcus pyogenes enzyme Ab [Presence] in Serum by Sheep Cell Agglutination
streptococcus pyogenes enzyme ab [presence] in serum by sheep cell agglutination