Reduced serum vitamin D-binding protein levels are associated with type 1 diabetes - Blanton, D; Han, Z; Bierschenk, L; Linga-Reddy, M V; Wang, H; Clare-Salzler, M; Haller, M; Schatz, D; Myhr, C; She, J X; Wasserfall, C; Atkinson, M (Diabetes, 2011)