4555
Although 25 mg of lamivudine was slightly less effective than 100 mg ( P = . 011 ) and 300 mg ( P = . 005 ) , it still induced 94 % suppression of HBV DNA after the fourth week of therapy .
 Chemical: lamivudine
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: lamivudine