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 Level 5
 
 J - Antiinfectives for systemic useJ01 - Antibacterials for systemic useJ01E - Sulfonamides and TrimethoprimJ01EE - Combinations of sulfonamides and trimethoprim, including derivativesJ01EE01 - Sulfamethoxazole and Trimethoprim
 
 Sulfamethoxazole and Trimethoprim
 
 
 
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