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Anatomical distribution. The animals used in the blood clearance studies (Fig. 1) were analyzed for anatomical distribution of radioactivity 1 h after injection. More than 90% of the injected doses were recovered in the organs listed. Results are expressed as percent total radioactivity recovered. (Grey bars: 125I-TC-FSA; n = 2, white bars: 125I-α-mannosidase; n = 1).
