To evaluate the role of renal duplex ultrasonography in the detection of early alte-ration of renal blood flow in type I diabetic patients. we studied with duplex ultrasound 32 patients with type I diabetes mellitus (19 males. 13 females. age range 8-19 years) and 35 age and sex-matched controls. https://parisnaturalfoodes.shop/product-category/herbatint-4d/