title: Australia antigen in amniotic fluid.
mesh_terms: D000653:Amniotic Fluid / Q000276:immunology*; D001769:Blood; D005260:Female; D006511:Hepatitis B Antigens / Q000302:isolation & purification; D006515:Hepatitis B virus / Q000276:immunology / Q000302:isolation & purification*; D006801:Humans; D007122:Immunoelectrophoresis; D011247:Pregnancy; D014470:Umbilical Cord
chemical_list: D006511:Hepatitis B Antigens