TY - JOUR AN - 89 AU - Liaw,Y.F. AU - Leung,N.W. AU - Chang,T.T. TI - Effects of extended lamivudine therapy in Asian patients with chronic hepatitis B. Asia Hepatitis Lamivudine Study Group JO - Gastroenterology PY - 2000 VL - 119 SP - 172-180 M2 - 172 DO - 10.1053/gast.2000.8559 ER -