1002
CONCLUSION : The rate of major hemorrhage was high in this old , frail group , but excluding fatalities , resulted in no long - term sequelae , and the stroke rate on warfarin was low , demonstrating how effective warfarin treatment is .
 Disease: hemorrhage; Disease: stroke; Chemical: warfarin; Chemical: warfarin
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Disease: hemorrhage; Disease: stroke; Chemical: warfarin; Chemical: warfarin