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|  | The Anatomical Therapeutic Chemical (ATC) classification system |  | 
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 Level 5
 
 G - Genito urinary system and sex hormonesG04 - UrologicalsG04C - Drugs used in benign prostatic hypertrophyG04CB - Testosterone-5-alpha reductase inhibitorsG04CB01 - Finasteride
 
 Finasteride
 
 
 
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