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Camptothecin inhibition of replication in Ad-infected extracts. Shown above each lane are the addition of R (Rep 68) and/or C (camptothecin) at either the 0.0- or the 2.5-h time point. Radioactive label was added just after the 2.5-h time point; the reactions were allowed to proceed for an additional 13.5 h. The relative incorporation into the full-length product is shown underneath each lane.
