title: A comparison of the frequency of hepatitis-B antigen and antibody in hospital and nonhospital personnel.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000410:Alanine Transaminase / Q000097:blood; D001782:Blood Donors; D001803:Blood Transfusion; D002353:Carrier State; D004586:Electrophoresis; D004781:Environmental Exposure; D005260:Female; D005500:Follow-Up Studies; D006509:Hepatitis B / Q000453:epidemiology / Q000276:immunology; D006510:Hepatitis B Antibodies / Q000032:analysis; D006511:Hepatitis B Antigens; D006801:Humans; D007106:Immune Sera / Q000032:analysis*; D008297:Male; D008396:Maryland; D008505:Medical Staff, Hospital; D009500:Neutralization Tests; D009741:Nursing Staff, Hospital; D009784:Occupational Diseases / Q000453:epidemiology; D010564:Personnel, Hospital; D011863:Radioimmunoassay
chemical_list: D006510:Hepatitis B Antibodies; D006511:Hepatitis B Antigens; D007106:Immune Sera; D000410:Alanine Transaminase