title: [Frequency and prognostic value of the "e" system in hepatitis B virus infections].
mesh_terms: D000914:Antibodies, Viral / Q000032:analysis*; D006509:Hepatitis B / Q000175:diagnosis*; D006510:Hepatitis B Antibodies / Q000032:analysis*; D006511:Hepatitis B Antigens / Q000032:analysis*; D006513:Hepatitis B e Antigens / Q000032:analysis*; D006801:Humans; D011379:Prognosis
chemical_list: D000914:Antibodies, Viral; D006510:Hepatitis B Antibodies; D006511:Hepatitis B Antigens; D006513:Hepatitis B e Antigens
vernacular_title: Frecvenţa şi valoarea prognostică a sistemului "e" în infecţia cu virusul hepatitic B.