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  Indian J Med Microbiol
 

Figure 4: Three step pretargeting scheme: Streptavidin conjugated antibodies injected intravenously in tumor *(first step); after 2–4 days injection of galactosylated albumin-biotin *(second step); followed by 48 h later by injection of radiolabeled biotin

Figure 4: Three step pretargeting scheme: Streptavidin conjugated antibodies injected intravenously in tumor *(first step); after 2–4 days injection of galactosylated albumin-biotin *(second step); followed by 48 h later by injection of radiolabeled biotin