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 Level 3
 
 D - DermatologicalsD10 - Anti-acne preparationsD10A - Anti-acne preparations for topical use
 
 D10AA - Corticosteroids, combinations for treatment of acneD10AB - Preparations containing sulfurD10AD - Retinoids for topical use in acneD10AE - PeroxidesD10AF - Antiinfectives for treatment of acneD10AX - Other anti-acne preparations for topical use
 
 
 
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