Elevated Asymmetric Dimethylarginine is Associated With Oxidant Stress Aggravation in Patients With Early Stage Autosomal Dominant Polycystic Kidney Disease oleh Vassilios Raptis, Panagiotis I. Georgianos, Pantelis A. Sarafidis, Athanasios Sioulis, Kali Makedou, Areti Makedou, Dimitrios M. Grekas, Stergios Kapoulas