title: Effect of animal-passage and in vitro cultivation in homologous antiserum on leptospiral antigenicity.
mesh_terms: D000818:Animals; D000942:Antigens, Bacterial; D002417:Cattle; D006224:Cricetinae; D003470:Culture Media; D006168:Guinea Pigs; D007106:Immune Sera; D066298:In Vitro Techniques; D007919:Leptospira / Q000276:immunology*; D007922:Leptospirosis / Q000276:immunology* / Q000662:veterinary; D012703:Serotyping; D013552:Swine; D013553:Swine Diseases / Q000276:immunology
chemical_list: D000942:Antigens, Bacterial; D003470:Culture Media; D007106:Immune Sera