13004
Agreement between HRpQCT and the gold standards for segmentation and quantification of porosity at the distal radius and tibia ranged from R ( 2 ) = 0 . 87 to 0 . 99 , and for the proximal femur ranged from 0 . 93 to 0 . 99 .
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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