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Pycnogenol improves microcirculation, retinal edema, and visual acuity in early diabetic retinopathy.
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Irvine2 Vascular Labs and Microcirculation, Physiology, Department of Biomedical Sciences, G D'Annunzio University, General Surgery, Guardiagrele (Ch)-Ortona (Pe) Pescara, San Valentino Vascular Screening Project, San Valentino, Italy.