Severe impairment of bone mass and turnover in cushings’s disease comparison between childhood onset and adulthood onset disease - Di Somma, C; Pivonello, R; Loche, S; Faggiano, A; Marzullo, P; Sarno, A; Di Klain, M; Salvatore, M; Lombardi, G; Colao, A (Clin Endocrinol (Oxf), 2002)