1868
Theophylline QID , TID , BID and now QD ? A report on 24 - hour dosing with slow - release theophylline formulations with emphasis on analyses of data used to obtain Food and Drug Administration approval for Theo - 24 .
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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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