| clinical and virological survey of patients with hepatitis b surface antigen in an italian region: clinical considerations and disease burden. | the aim of this study was to determine the prevalence of hepatitis b virus (hbv) infection in an italian region, liguria (1,572,000 inhabitants), by means of a network of 12 referral centers for liver diseases. all patients with hbv surface antigen followed throughout 2006 were included. personal data, infectious status with risk factors, other non-infectious risk factors for liver disease, clinical status, and treatment were the questionnaire. four hundred forty-five patients (71% male) were ev ... | 2009 | 19774694 |