Vitamin D-binding protein contributes to the maintenance of α cell function 2 and glucagon secretion Tekijä Viloria, K, Nasteska, D, Briant, L, Heising, S, Larner, D, Fine, N, Ashford, F, Xavier, G, Ramos Jimenez, M, Hasib, A, Cuozzo, F, Manning Fox, J, Macdonald, P, Akerman, I, Lavery, G, Flaxman, C, Morgan, N, Richardson, S, Hewinson, M, Hodson, D