title: [Controlled treatment trials in trachoma: a resume of experience with topical and systemic tetracycline and systemic sulfonamide].
mesh_terms: D000284:Administration, Oral; D000293:Adolescent; D000328:Adult; D002648:Child; D002986:Clinical Trials as Topic; D006801:Humans; D007198:Indians, North American; D010919:Placebos; D013449:Sulfonamides / Q000008:administration & dosage* / Q000627:therapeutic use; D013535:Suspensions; D013752:Tetracycline / Q000008:administration & dosage* / Q000627:therapeutic use; D014141:Trachoma / Q000188:drug therapy*; D014481:United States
chemical_list: D010919:Placebos; D013449:Sulfonamides; D013535:Suspensions; D013752:Tetracycline