title: Observations on the action of rifampin and ethambutol alone and in combination with other antituberculous drugs.
mesh_terms: D004338:Drug Combinations; D004352:Drug Resistance, Microbial; D004357:Drug Synergism; D004977:Ethambutol / Q000494:pharmacology*; D007538:Isoniazid / Q000494:pharmacology*; D009169:Mycobacterium tuberculosis / Q000187:drug effects*; D012293:Rifampin / Q000494:pharmacology*; D013307:Streptomycin / Q000494:pharmacology*
chemical_list: D004338:Drug Combinations; D004977:Ethambutol; D007538:Isoniazid; D012293:Rifampin; D013307:Streptomycin