22509
Background : As lowering HbA1c levels is still the main goal of insulin treatment , severe hypoglycaemia ( SH ) remains a common experience in children with type 1 diabetes mellitus ( T1DM ) and their families .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
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