title: Au antigen and antibody in cord and maternal serum.
mesh_terms: D000906:Antibodies / Q000302:isolation & purification; D005260:Female; D006509:Hepatitis B; D006511:Hepatitis B Antigens / Q000302:isolation & purification*; D006801:Humans; D007116:Immunization, Passive; D007231:Infant, Newborn; D008431:Maternal-Fetal Exchange; D011247:Pregnancy; D011251:Pregnancy Complications, Infectious; D014470:Umbilical Cord
chemical_list: D000906:Antibodies; D006511:Hepatitis B Antigens