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|  | The Anatomical Therapeutic Chemical (ATC) classification system |  | 
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 Level 5
 
 V - VariousV10 - Therapeutic radiopharmaceuticalsV10X - Other therapeutic radiopharmaceuticalsV10XA - Iodine (131I) compoundsV10XA53 - Tositumomab / Iodine (131I) Tositumomab
 
 Tositumomab / Iodine (131I) Tositumomab
 
 
 
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