[Fine structure of retinal blood vessels in human diabetics].
D002196:Capillaries / Q000473:pathology; D003920:Diabetes Mellitus / Q000473:pathology; D003925:Diabetic Angiopathies / Q000473:pathology; D003930:Diabetic Retinopathy / Q000473:pathology*; D006801:Humans; D008297:Male; D008854:Microscopy, Electron; D008875:Middle Aged; D012171:Retinal Vessels / Q000473:pathology*