Impairment of flow-mediated vasodilatation of brachial artery in patients with Cushing’s syndrome - Baykan, M; Erem, C; Gedikli, O; Hacihasanoglu, A; Erdogan, T; Kocak, M; Durmuş, I; Korkmaz, L; Celik, S (Endocrine, 2007)