title: [Procedure to assess drug therapy of diabetic retinopathy].
mesh_terms: D002986:Clinical Trials as Topic; D003930:Diabetic Retinopathy / Q000188:drug therapy*; D004341:Drug Evaluation; D006801:Humans; D010919:Placebos
chemical_list: D010919:Placebos
vernacular_title: Versuchsanordnung zur Beurteilung einer medikamentösen Therapie bei Retinopathia diabetica