Table l. Tissue Distribution of Americium-241 Between Filtered Fat and Filtrate of Dissolved Metabolism Tissue Sample 24d in 241an (Fat) FRACTION SAMPLE FRAC. 241 (Soln) (dpm) Liver Fat 8.0 x Lo Filtrate 2.0 x 10 Liver Fat 1.5 x 10, 0.0012 Liver Fat 3.7 x 102 0.0017 Liver Fat 4.6 x 10% 0.0023 Filtrate Filtrate Filtrate 0.0040 1.3 x 10 2.2 x LO 2.0 x 10 MEAN 0.002 281

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