title: Randomized controlled clinical trial. National Eye Institute workshop for ophthalmologists. Application of the principles of clinical trials.
mesh_terms: D000328:Adult; D001128:Argon / Q000627:therapeutic use; D002986:Clinical Trials as Topic; D003930:Diabetic Retinopathy / Q000601:surgery / Q000628:therapy; D004608:Eligibility Determination; D006801:Humans; D053685:Laser Therapy; D008028:Light Coagulation; D012107:Research Design; D013223:Statistics as Topic; D014787:Vision Tests; D014978:Xenon / Q000627:therapeutic use
chemical_list: D014978:Xenon; D001128:Argon