Rationalization of genetic testing in patients with apparently sporadic pheochromocytoma/paraganglioma - Cascón, A; López-Jiménez, E; Landa, I; Leskelä, S; Leandro-García, L J; Maliszewska, A; Letón, R; de la Vega, L; García-Barcina, M J; Sanabria, C; Alvarez-Escolá, C; Rodríguez-Antona, C; Robledo, M (Horm Metab Res, 2009)