Comparison of the effectiveness and tolerability of intravenous or oral glucocorticoids associated with orbital radiotherapy in the management of severe Graves’ ophthalmopathy: results of a prospective, single-blind, randomized study - Marcocci, C; Bartalena, L; Tanda, M L; Manetti, L; Dell’Unto, E; Rocchi, R; Barbesino, G; Mazzi, B; Bartolomei, M P; Lepri, P; Cartei, F; Nardi, M; Pinchera, A (J Clin Endocrinol Metab, 2001)