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Triple Sugar Iron Agar 
A no change
B Glucose +
Lactose &/ Sucrose +
Gas +
H2S +
C Glucose + (gas)
Lactose &/ Sucrose -
Gas +
H2S +
D Glucose +
Lactose &/ Sucrose -
Gas +
H2S -
E Glucose +
Lactose &/ Sucrose +
Gas +
H2S -