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In the second , 37 students were given trimethoprim / sulphamethoxazole ( 160 mg TMP - SMX 800 mg ) , 38 TMP ( 200 mg ) , and in 35 a placebo was given b . i . d . for five days .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
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