5896
At variance with newer anticoagulant drugs , which showed a series of advantages as compared with the traditional warfarin treatment , newer antiplatelet drugs have only partially overcome these limitations .
 Chemical: warfarin
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: warfarin