4552
Group OD ( n = 22 ) received a once - daily dose of tobramycin and group TD ( n = 21 ) received the same dose divided into two doses daily .
 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: tobramycin