title: Seroprevalence of hepatitis B surface antigen (HBsAg) in 145 drug addicts died between 1977-1987.
authors.forename: P
authors.initials: P
authors.lastname: Tappero
authors.forename: R
authors.initials: R
authors.lastname: Cavallo
authors.forename: S
authors.initials: S
authors.lastname: Vai
authors.forename: C
authors.initials: C
authors.lastname: Merlino
mesh_terms: D006514:Hepatitis B Surface Antigens / Q000032:analysis*; D006801:Humans; D019966:Substance-Related Disorders / Q000276:immunology*
chemical_list: D006514:Hepatitis B Surface Antigens