title: Ansamycin activity against rifampicin-resistant Mycobacterium leprae.
mesh_terms: D000818:Animals; D000900:Anti-Bacterial Agents / Q000494:pharmacology*; D004352:Drug Resistance, Microbial; D006801:Humans; D047029:Lactams, Macrocyclic; D051379:Mice; D009166:Mycobacterium leprae / Q000187:drug effects*; D012293:Rifampin / Q000494:pharmacology
chemical_list: D000900:Anti-Bacterial Agents; D047029:Lactams, Macrocyclic; D012293:Rifampin