title: [Incidence of hepatitis surface antigen among blood donors].
authors.forename: C E
authors.initials: CE
authors.lastname: Nebel
authors.forename: C
authors.initials: C
authors.lastname: Romero
authors.forename: L
authors.initials: L
authors.lastname: Paredes
mesh_terms: D001782:Blood Donors; D004484:Ecuador; D006509:Hepatitis B / Q000453:epidemiology* / Q000276:immunology; D006514:Hepatitis B Surface Antigens / Q000032:analysis*; D006801:Humans
chemical_list: D006514:Hepatitis B Surface Antigens
vernacular_title: Incidencia del antígeno de superficie de la hepatitis en donantes de sangre.