title: Decrease in acute hepatitis B incidence in England and Wales in 1985-86.
mesh_terms: D000208:Acute Disease; D004739:England; D006509:Hepatitis B / Q000453:epidemiology*; D006716:Homosexuality; D006801:Humans; D008297:Male; D019966:Substance-Related Disorders / Q000150:complications; D014852:Wales