 Phanuphak, Praphan 2Siangphoe, Umaporn 2Ubolyam, Sasiwimol 1Hepatitis b e antigensblood 1Hepatitis b virusimmunologyisolation purification 1Hepatitis b, chronicblood complications drug therapyvirology 1Hiv infections complications drug therapy 1Hiv protease inhibitors administration dosagepharmacokineticstherapeutic use 1 