Review QUANTITATIVE SERUM HBSAG IN CHRONIC HEPATITIS B: “ A NEVER ENDING STORY” Gheorghiţă V. 1, Căruntu Fl. Al. 2, 3, Curescu Manuela 4, 5, Ion Şt. 1, Colţan G. 2, Olaru Ioana 2, Răşcanu September 1, 2012