title: A comparison of rifampicin, ethambutol or PAS in short-term monotherapy in pretreated cavitary pulmonary tuberculosis.
mesh_terms: D000293:Adolescent; D000328:Adult; D000636:Aminosalicylic Acids / Q000627:therapeutic use*; D002986:Clinical Trials as Topic; D004977:Ethambutol / Q000627:therapeutic use*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012293:Rifampin / Q000627:therapeutic use*; D013997:Time Factors; D014397:Tuberculosis, Pulmonary / Q000188:drug therapy*
chemical_list: D000636:Aminosalicylic Acids; D004977:Ethambutol; D012293:Rifampin