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All 36 patients receiving lamivudine had a decrease in hepatitis B virus ( HBV ) DNA values of > 90 % ( P < . 001 compared with placebo ) .
 Chemical: lamivudine; Disease: hepatitis B
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; Disease: hepatitis B