1305
Two weeks of Scl - Ab successfully stimulated osteoblast bone formation in a knock - in model for moderately severe OI ( Brtl / + ) and in WT mice , leading to improved bone mass and reduced long - bone fragility .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities:  
Answer:
 None