Inverse correlation of parathyroid hormone levels and endothelial function in patients with type 2 diabetes - Zaharia, OP; Bódis, K; Karusheva, Y; Bobrov, P; Markgraf, DF; Burkart, V; Müssig, K; Szendroedi, J; Roden, M (Diabetologie und Stoffwechsel, 2017)