TURK OFTALMOLOJI DERGISI-TURKISH JOURNAL OF OPHTHALMOLOGY, cilt.35, sa.6, ss.496-503, 2005 (ESCI)
Purpose: To investigate the relationship of serum levels of nitric oxide (NO) and vascular endothelial growth factor (VEGF) with diabetic retinopathy (DRP) grade and treatment modality in patients with diabetes mellitus.