title: [HBsAg positive blood donors].
mesh_terms: D000328:Adult; D001782:Blood Donors; D002353:Carrier State / Q000175:diagnosis / Q000453:epidemiology; D003604:Czechoslovakia; D005260:Female; D006509:Hepatitis B / Q000175:diagnosis / Q000453:epidemiology; D006514:Hepatitis B Surface Antigens / Q000032:analysis*; D006801:Humans; D008297:Male; D008875:Middle Aged
chemical_list: D006514:Hepatitis B Surface Antigens
vernacular_title: Príspevok k problému HBsAg pozitívnych darcov krvi.