OC.04.9 A SINGLE CENTER, LARGE LONG TERM COHORT STUDY OF THE RELATIONS BETWEEN MUTATIONS IN BASIC-CORE-PROMOTER AND PRE-C REGIONS OF HEPATITIS B VIRUS DNA AND CLINICPATHOLOGIC OUTCOME OF HBEAG-NEGATIVE/ANTI-HBEPOSITIVE PHASE. (September 2021) - Cavallone, D.