Serum TNF-Alpha Level Predicts Nonproliferative Diabetic Retinopathy in Children - Zorena, Katarzyna; Myśliwska, Jolanta; Myśliwiec, Małgorzata; Balcerska, Anna; Hak, Łukasz; Lipowski, Paweł; Raczyńska, Krystyna (Mediators of Inflammation, 2007)