title: [Carrier state of hepatitis B antigen (HB-Ag) among persons of different occupations].
mesh_terms: D000293:Adolescent; D000328:Adult; D001782:Blood Donors; D002353:Carrier State / Q000276:immunology*; D005260:Female; D006509:Hepatitis B / Q000276:immunology*; D006511:Hepatitis B Antigens / Q000302:isolation & purification*; D006801:Humans; D008297:Male; D008875:Middle Aged; D009790:Occupations
chemical_list: D006511:Hepatitis B Antigens
vernacular_title: K voprosu o nositel'stve antigena gepatita B (HB-Ag) sredi lits razlichnykh professiĭ