Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) YEH CT,Clearance of the original hepatitis B virus YMDD-motif mutants with emergence of distinct lamivudine resistant mutants during prolonged lamivudine therapy,Hepatology,,,2000,31,,1318-1326,https://cir.nii.ac.jp/crid/1573105976178280448,