title: Maternal/fetal transmission of HBsAg negative hepatitis.
mesh_terms: D000328:Adult; D005260:Female; D005315:Fetal Diseases / Q000209:etiology* / Q000473:pathology; D006525:Hepatitis, Viral, Human / Q000473:pathology / Q000635:transmission*; D006801:Humans; D008099:Liver / Q000473:pathology; D008431:Maternal-Fetal Exchange; D011247:Pregnancy; D011251:Pregnancy Complications, Infectious