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The outcome of taste - masking test indicated that microparticles alleviated drug bitterness significantly ; bitterness was not discernible with microparticles incorporated in ODT , whereas only slight bitterness was detected from microparticles incorporated into ODF .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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