Lack of Accuracy of Circulating Chromogranin A in the Preoperative Diagnosis of Lung Neuroendocrine Tumors. - Scarpelli, G.; Daddi, N.; Maiettini, D.; Pascucci, C.; Minotti, V.; Puma, F.; Crinò, L.; Ferolla, P. (Neuroendocrinology, 2012)