16600
The mainstay of stent thrombosis prevention remains dual anti - platelet therapy with acetylsalicylic acid and a platelet ADP - receptor blocker , traditionally clopidogrel .
 Chemical: acetylsalicylic acid; Chemical: ADP; Chemical: clopidogrel
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: acetylsalicylic acid; Chemical: ADP; Chemical: clopidogrel