title: Prevalence of hepatitis delta virus infection in different provinces of China.
mesh_terms: D000328:Adult; D002353:Carrier State; D002681:China; D005260:Female; D006509:Hepatitis B / Q000150:complications*; D006514:Hepatitis B Surface Antigens / Q000032:analysis; D003699:Hepatitis D / Q000150:complications / Q000453:epidemiology*; D006801:Humans; D008297:Male; D008875:Middle Aged
chemical_list: D006514:Hepatitis B Surface Antigens