2117
ER alpha AF - 1 ( 0 ) mice also displayed a reduced response to mechanical loading compared with WT mice ( cortical area - 40 % +/- 11 % , p < 0 . 05 and periosteal BFR - 41 % +/- 8 % , p < 0 . 01 ) , whereas the periosteal osteogenic response to loading was unaffected in ER alpha AF - 2 ( 0 ) mice .
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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