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