Extracellular Esterase of Group a Streptococci : Electrophoretic Mobility and Detection of Hæmolytic Activity of Streptolysins O and S in Agar-Gel

Extracellular Esterase of Group a Streptococci : Electrophoretic Mobility and Detection of Hæmolytic Activity of Streptolysins O and S in Agar-Gel