title: [A long term observation on HBV infection among medical personnel].
mesh_terms: D000328:Adult; D005260:Female; D005500:Follow-Up Studies; D006509:Hepatitis B / Q000453:epidemiology*; D006510:Hepatitis B Antibodies / Q000032:analysis; D006511:Hepatitis B Antigens / Q000032:analysis; D006801:Humans; D007564:Japan; D008297:Male; D010564:Personnel, Hospital
chemical_list: D006510:Hepatitis B Antibodies; D006511:Hepatitis B Antigens