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Subsequently , DPHD accelerated production of bone structural genes , including COL1A1 and osteocalcin comparably to 17 beta - estradiol .
 Chemical: DPHD; Chemical: 17 beta - estradiol
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: DPHD; Chemical: 17 beta - estradiol