title: Letter: Heterologous stimulation of hepatitis-B antigen.
mesh_terms: D002353:Carrier State / Q000276:immunology; D002908:Chronic Disease; D006386:Hemagglutination Tests; D006506:Hepatitis A / Q000276:immunology; D006511:Hepatitis B Antigens / Q000032:analysis*; D006564:Herpesviridae / Q000276:immunology*; D006801:Humans; D007114:Immunization; D008854:Microscopy, Electron; D011863:Radioimmunoassay; D014612:Vaccines; D014613:Vaccines, Attenuated
chemical_list: D006511:Hepatitis B Antigens; D014612:Vaccines; D014613:Vaccines, Attenuated