Perez-Trallero, E Falling incidence and prevalence of hepatitis A in northern Spain. [electronic resource] - Scandinavian journal of infectious diseases 1994 - 133-6 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 0036-5548 Standard No.: 10.3109/00365549409011775 doi Subjects--Topical Terms: AdolescentAdultChildChild, PreschoolEnzyme-Linked Immunosorbent AssayFemaleHepatitis A--epidemiologyHepatitis, Viral, Human--epidemiologyHumansIncidenceInfantInfant, NewbornMalePrevalenceSeroepidemiologic StudiesSpain--epidemiology