title: Comparative studies on antigen extracts from some Bulgarian leptospira strains.
mesh_terms: D000362:Agar; D000372:Agglutination Tests; D000818:Animals; D000941:Antigens / Q000032:analysis / Q000302:isolation & purification*; D001647:Bile Acids and Salts; D002031:Bulgaria; D002241:Carbohydrates / Q000032:analysis; D011232:Chemical Precipitation; D002854:Chromatography, Paper; D000431:Ethanol; D007106:Immune Sera; D007120:Immunochemistry; D005779:Immunodiffusion; D007122:Immunoelectrophoresis; D007919:Leptospira / Q000276:immunology*; D009584:Nitrogen / Q000032:analysis; D011817:Rabbits; D013045:Species Specificity
chemical_list: D000941:Antigens; D001647:Bile Acids and Salts; D002241:Carbohydrates; D007106:Immune Sera; D000431:Ethanol; D000362:Agar; D009584:Nitrogen