title: Determination and distribution of two types of hepatitis-associated antigen.
mesh_terms: D000818:Animals; D000906:Antibodies / Q000032:analysis; D002499:Centrifugation, Density Gradient; D002586:Cesium; D002712:Chlorides; D000939:Epitopes; D000882:Haplorhini / Q000276:immunology; D006506:Hepatitis A / Q000276:immunology*; D006511:Hepatitis B Antigens / Q000032:analysis / Q000145:classification; D006515:Hepatitis B virus / Q000276:immunology*; D006801:Humans; D007106:Immune Sera; D005779:Immunodiffusion; D011817:Rabbits / Q000276:immunology; D012703:Serotyping
chemical_list: D000906:Antibodies; D002712:Chlorides; D000939:Epitopes; D006511:Hepatitis B Antigens; D007106:Immune Sera; D002586:Cesium