title: Hepatitis-B surface antigen in pregnant women and their offsprings.
mesh_terms: D005260:Female; D005312:Fetal Blood / Q000276:immunology; D006509:Hepatitis B / Q000453:epidemiology* / Q000635:transmission; D006514:Hepatitis B Surface Antigens / Q000032:analysis*; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008431:Maternal-Fetal Exchange; D011247:Pregnancy; D011251:Pregnancy Complications, Infectious / Q000276:immunology*
chemical_list: D006514:Hepatitis B Surface Antigens