3177
A total of 675 patients were included ; 163 of these had therapy with vancomycin , gentamicin , or tobramycin ; were > 18 years ; and treated in the ICU for > 24 hours .
 Chemical: vancomycin; Chemical: gentamicin; Chemical: tobramycin
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:
 Chemical: vancomycin; Chemical: gentamicin; Chemical: tobramycin