title: Isolation and study of antigenic mutants of saprophytic and pathogenic Leptospiras.
mesh_terms: D000941:Antigens / Q000032:analysis; D001431:Bacteriological Techniques; D005827:Genetics, Microbial; D007106:Immune Sera / Q000494:pharmacology*; D007919:Leptospira / Q000187:drug effects / Q000254:growth & development* / Q000302:isolation & purification; D009154:Mutation
chemical_list: D000941:Antigens; D007106:Immune Sera