title: [Circulation times in diabetic retinopathy. I. Systemic and choroidal circulation].
mesh_terms: D001776:Blood Circulation Time; D002829:Choroid / Q000098:blood supply*; D003930:Diabetic Retinopathy / Q000503:physiopathology*; D005451:Fluorescein Angiography; D006801:Humans; D012171:Retinal Vessels / Q000502:physiology