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Context : Orally disintegrating tablets ( ODTs ) with sustained release profiles are a new generation of ODTs called orally disintegrating / sustained release tablets ( ODSRTs ) , which are convenient in use and able to slowly release drugs to maintain effective blood concentrations over a prolonged period of time .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None