Inhibin B secretion in males with gonadotropin-releasing hormone (GnRH) deficiency before and during long-term GnRH replacement: relationship to spontaneous puberty, testicular volume, and prior treatment-a clinical research center study - Nachtigall,L.B.; Boepple,P.A.; Seminara,S.B. (J Clin Endocrinol Metab, 1996)