1. Chronic Hepatitis B: Preventing, Detecting, and Managing Viral Resistance 
Emmet B. Keeffe, Douglas T. Dieterich, Jean–Michel Pawlotsky, Yves Benhamou 
Clinical Gastroenterology and Hepatology 
Volume 6, Issue 3, Pages (March 2008)
DOI: /j.cgh
Copyright © 2008 AGA Institute Terms and Conditions

2. Figure 1
Location of the major antiviral drug-resistant mutations associated with LMV, LdT, ADV, TDF, and ETV11 (Reprinted with permission). LMV, lamivudine; Ldt, telbuvidine; ADV, adefovir dipivoxil; TDF, tenofovir DF; ETV, entecavir. POL/RT, polymerase reverse-transcriptase.
Clinical Gastroenterology and Hepatology 2008 6, DOI: ( /j.cgh )
Copyright © 2008 AGA Institute Terms and Conditions

3. Figure 2
Serial changes in serum HBV DNA and ALT levels in association with emergence of antiviral-resistant HBV mutants. The first manifestation of resistance is the detection of resistance-conferring mutations (ie, genotypic resistance).46 (Reprinted with permission). ULN, upper limit of normal.
Clinical Gastroenterology and Hepatology 2008 6, DOI: ( /j.cgh )
Copyright © 2008 AGA Institute Terms and Conditions