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A photograph of Ehrlich solid tumor (EST) xenografts at the time of scarification showing the effect of bromelain and gamma-irradation (BL/IRR) on tumor volume. E, Ehrlich solid tumor; E + IR, Ehrlich solid tumor + irradiation; E + Br, Ehrlich solid tumor + bromelain; E + IR + Br, Ehrlich solid tumor + bromelain + irradiation.
