Genetic markers, humoral autoimmunity, and prediction of type 1 diabetes in siblings of affected children. childhood diabetes in Finland study group - Kulmala, P; Savola, K; Reijonen, H; Veijola, R; Vahasalo, P; Karjalainen, J; Tuomilehto-Wolf, E; Ilonen, J; Tuomilehto, J; Akerblom, H K; Knip, M (Diabetes, 2000)