title: Prevalence of hepatitis-B antigen in various population groups of N.W.F.P.
mesh_terms: D000293:Adolescent; D000328:Adult; D006509:Hepatitis B / Q000453:epidemiology*; D006511:Hepatitis B Antigens / Q000032:analysis*; D006801:Humans; D010154:Pakistan
chemical_list: D006511:Hepatitis B Antigens