12370
To evaluate carrier efficacy , rhBMP - 2 and bovine articular chondrocytes were encapsulated within CS - BM , and biochemical evaluation revealed significant increases in total collagen production with rhBMP - 2 .
 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