Cheng, H Diabetic maculopathy. A preliminary report. [electronic resource] - Transactions of the ophthalmological societies of the United Kingdom 1972 - 407-11 p. digital Publication Type: Clinical Trial; Journal Article; Randomized Controlled Trial ISSN: 0078-5334 Subjects--Topical Terms: ColorDiabetic RetinopathyEdemaFluorescein AngiographyHumansMacula LuteaPhotographyRetinal HemorrhageVisual Acuity