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Our study included 344 patients ( 104 men ) with severe obesity ( mean body mass index ( BMI ) = 45 . 7 +/- 8 . 5 kg / m2 ) , extensively evaluated clinically and biologically ( complete metabolic tests , serum adiponectin and IGF - I measurements ) .
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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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