18995
Evidence for its use in clinical practice rests on retrospective case series , which suggests that the use of U - 500 insulin either by multiple daily injections or a continuous subcutaneous insulin infusion is effective in improving glycaemic control .
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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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