title: Letter: Infectiosity of HB Ag carriers?
mesh_terms: D000293:Adolescent; D002353:Carrier State; D005260:Female; D006506:Hepatitis A / Q000453:epidemiology* / Q000276:immunology*; D006511:Hepatitis B Antigens / Q000032:analysis*; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D008431:Maternal-Fetal Exchange; D011247:Pregnancy; D011251:Pregnancy Complications, Infectious / Q000276:immunology*; D011863:Radioimmunoassay; D013997:Time Factors
chemical_list: D006511:Hepatitis B Antigens