15381
Optimal dosing of warfarin and other coumarin anticoagulants : the role of genetic polymorphisms .
 Chemical: warfarin; Chemical: coumarin
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; Chemical: coumarin