RT Journal Article SR Electronic T1 Prevalence and awareness of hepatitis B virus carrier status in Italy. JF Genitourinary Medicine JO Genitourin Med FD BMJ Publishing Group Ltd SP 241 DO 10.1136/sti.69.3.241 VO 69 IS 3 A1 A Brevi A1 L Naldi A1 T Cainelli A1 F Parazzini YR 1993 UL http://sti.bmj.com/content/69/3/241.1.abstract AB