3861
High bone mass ( HBM ) , detected in 0 . 2 % of DXA scans , is characterised by a mild skeletal dysplasia largely unexplained by known genetic mutations .
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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:
 None