High Prevalence of Normal Tests Assessing Hypercortisolism in Subjects with Mild and Episodic Cushing's Syndrome Suggests that the Paradigm for Diagnosis and Exclusion of Cushing's Syndrome Requires Multiple Testing - Friedman, T. C.; Ghods, D. E.; Shahinian, H. K.; Zachery, L.; Shayesteh, N.; Seasholtz, S.; Zuckerbraun, E.; Lee, M. L.; McCutcheon, I. E. (Hormone and Metabolic Research, 2010)