2195
We have shown that the epidural ( EPI ) delivery of morphine encapsulated in multivesicular liposomes ( DepoFoam drug delivery system ) produces a sustained clearance of morphine and a prolonged analgesia .
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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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