Spada R S, Cento R M, Proto C, Cosentino F I I, Ferri R, Iero I, Lanuzza B, Mangiafico R A, Toscano G, Tripodi M, Lanzone A
Geriatric Unit, Institute for Research on Mental Retardation and Brain Aging (I.R.C.C.S.) Troina, Enna, Italy,
J Endocrinol Invest. 2002;25(10 Suppl):78-80.