Differential Expression of Ghrelin and its Receptor (GHS-R1a) in Various Adrenal Tumors and Normal Adrenal Gland - Ueberberg, B; Unger, N; Sheu, S Y; Walz, M K; Schmid, K W; Saeger, W; Mann, K; Petersenn, S (Hormone and Metabolic Research, 2008)