1514
Total ID ( microns ) showed better material properties ( lower Total ID ) for controls 36 ( +/- 6 ; mean +/- SD ) than for AFF 46 ( +/- 4 ) and for typical femoral fractures 47 ( +/- 13 ) , respectively .
 None
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