title: Letter: Hepatitis-B antigen in Iraq.
mesh_terms: D002353:Carrier State; D005260:Female; D006509:Hepatitis B / Q000453:epidemiology* / Q000382:microbiology; D006511:Hepatitis B Antigens / Q000302:isolation & purification*; D006801:Humans; D007122:Immunoelectrophoresis; D007493:Iraq; D008297:Male; D012703:Serotyping
chemical_list: D006511:Hepatitis B Antigens