1545
METHODS : Review of all cases of corneal ulcers associated with drug abuse seen at our institution from July 2006 to December 2006 .
 Disease: corneal ulcers; Disease: drug abuse
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: corneal ulcers; Disease: drug abuse