PT - JOURNAL ARTICLE AU - Parazzini, F AU - D'oro, L C AU - Bianchi, C AU - Mezzanotte, C AU - Naldi, L AU - Imberti, G L AU - Pansera, B AU - Cainelli, T AU - Carlino, A AU - Graefemberghi, S TI - Determinants of hepatitis B virus surface antigen positivity in adults attending sexually transmitted disease clinics in Italy. AID - 10.1136/sti.68.5.345 DP - 1992 Oct 01 TA - Genitourinary Medicine PG - 345--346 VI - 68 IP - 5 4099 - http://sti.bmj.com/content/68/5/345.short 4100 - http://sti.bmj.com/content/68/5/345.full SO - Genitourin Med1992 Oct 01; 68