title: Transplacental transmission of hepatitis-B virus by symptom-free chronic carrier mothers.
mesh_terms: D002353:Carrier State / Q000276:immunology / Q000382:microbiology*; D005260:Female; D005500:Follow-Up Studies; D006509:Hepatitis B / Q000382:microbiology / Q000635:transmission*; D006510:Hepatitis B Antibodies / Q000302:isolation & purification; D006511:Hepatitis B Antigens / Q000302:isolation & purification; D006515:Hepatitis B virus / Q000276:immunology; D006801:Humans; D007231:Infant, Newborn; D008431:Maternal-Fetal Exchange; D011247:Pregnancy; D011296:Prenatal Diagnosis; D011446:Prospective Studies
chemical_list: D006510:Hepatitis B Antibodies; D006511:Hepatitis B Antigens