Development and internal validation of a predictive score for the diagnosis of central adrenal insufficiency when morning cortisol is in the grey zone - Bioletto, F.; Berton, A. M.; Varaldo, E.; Cuboni, D.; Bona, C.; Parasiliti-Caprino, M.; Prencipe, N.; Ghigo, E.; Grottoli, S.; Maccario, M.; Gasco, V. (Journal of Endocrinological Investigation: Official Journal of Italian Society of Endocrinology (SIE), 2023)