10269
At 1 month , Osx - Cre ; Rosa ( Notch ) and Oc - Cre ; Rosa ( Notch ) mice exhibited osteopenia due to impaired bone formation .
 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