23084
Biocomposites of pHEMA with HA / beta - TCP ( 60 / 40 ) for bone tissue engineering : Swelling , hydrolytic degradation , and in vitro behavior .
 Chemical: pHEMA; Chemical: beta - TCP
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: pHEMA; Chemical: beta - TCP