15386
Various algorithms for dose calculation , which also take patient age and other characteristics into consideration , have been developed for all three widely used coumarin anticoagulants and are now being tested in ongoing large randomised clinical trials .
 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: coumarin