Ginsburg I, Bentwich Z, Harris TN. OXYGEN-STABLE HEMOLYSINS OF GROUP A STREPTOCOCCI III. THE RELATIONSHIP OF THE CELL-BOUND HEMOLYSIN TO STREPTOLYSIN S. The Journal of Experimental Medicine.  1965;121 (4) :633-645.

Ginsburg I, Harris TN. OXYGEN-STABLE HEMOLYSINS OF GROUP A STREPTOCOCCI . The Journal of Experimental Medicine.  1965;121 (4) :647-656.