19534
Trabecular BV / TV was 34 % higher and cortical bone area was 6 % higher at 14 weeks vs . N - N ( P < 0 . 05 for both ) .
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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