6630
The changes in the healing process after non - rigid fixation are accompanied by an increase in the levels of transcripts encoding inhibitors of osteogenic pathways and , probably as a consequence , by temporal changes in bone matrix synthesis .
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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