title: [A comparison of the frequency of hepatitis B antigen and antibody in hospital employees and nonhospital personnel].
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000914:Antibodies, Viral / Q000032:analysis*; D005260:Female; D006509:Hepatitis B / Q000453:epidemiology*; D006510:Hepatitis B Antibodies / Q000032:analysis*; D006511:Hepatitis B Antigens / Q000032:analysis*; D006801:Humans; D007564:Japan; D008297:Male; D008875:Middle Aged; D010564:Personnel, Hospital; D012306:Risk
chemical_list: D000914:Antibodies, Viral; D006510:Hepatitis B Antibodies; D006511:Hepatitis B Antigens