26755
Thus , we studied the role of galectin - 3 and platelet collagen receptors in platelet - induced COX - 2 overexpression .
 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