title: The evaluation of controlled trachoma chemotherapy trials.
mesh_terms: D002986:Clinical Trials as Topic; D006801:Humans; D010919:Placebos; D013449:Sulfonamides / Q000627:therapeutic use*; D014141:Trachoma / Q000188:drug therapy*
chemical_list: D010919:Placebos; D013449:Sulfonamides