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Pharmacokinetics of 125I-labeled recombinant 9B peptide-1-expressing flagella in mice. Mice were immunized i.n. (A) or f.p. (B) with the labeled protein. The distribution of radioactive protein in the lungs (■), intestine (┌), liver (○), kidney (▭), spleen (Y=), gut (×), heart (+), and leg (▵) was determined at the specified times. A high percentage of the total radioactivity was found at the site of immunization up to 24 h postimmunization.
