Ethambutol versus streptomycin.
D004977:Ethambutol / Q000627:therapeutic use*; D006801:Humans; D012293:Rifampin / Q000627:therapeutic use; D013307:Streptomycin / Q000627:therapeutic use*; D014397:Tuberculosis, Pulmonary / Q000188:drug therapy
D004977:Ethambutol; D012293:Rifampin; D013307:Streptomycin