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After adjusting for the stage of sexual development and height and BMI z scores , serum prolactin was negatively associated with trabecular volumetric BMD at the ultradistal radius ( P < . 03 ) .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 None